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  1. Article: Definitive radiation therapy for cervical cancer: Non-white race and public insurance are risk factors for delayed completion, a pilot study.

    Petersen, Shariska S / Doe, Samfee / Buekers, Thomas

    Gynecologic oncology reports

    2018  Volume 25, Page(s) 102–105

    Abstract: This is a pilot study to assess whether racial disparities exist in time to initiation and completion of external beam pelvic radiation therapy and brachytherapy in cervical cancers treated with definitive chemoradiation. A retrospective analysis was ... ...

    Abstract This is a pilot study to assess whether racial disparities exist in time to initiation and completion of external beam pelvic radiation therapy and brachytherapy in cervical cancers treated with definitive chemoradiation. A retrospective analysis was conducted on all cervical cancer patients treated with definitive radiotherapy between 2006 and 2016 at a single institution. Patient demographics including age, race, insurance status and stage at diagnosis were obtained. Analyses were performed according to the following definitions of wait times: interval from pathologic diagnosis of cervical cancer to (Siegel et al., 2016) initiation of radiation therapy, (Yoo et al., 2017) completion of external beam radiation therapy and (DeSantis et al., 2016) completion of external beam radiation therapy plus brachytherapy if indicated. Of 50 women, 21 self-identified as white, 25 as black and 4 as Hispanic. Due to small numbers, Hispanic women were included with black women as a non-white group. The average age was 52 years for women in this cohort. Mean days to initiation of radiation therapy were 41.8 days: 33.7 days among white patients versus 47.8 days for non-white patients (p-value 0.101). Mean days from diagnosis to completion of external beam pelvic radiation therapy were 81.3 days: 70.9 days among white patients versus 88.9 days among non-white patients (p-value 0.006). Non-white patients were more likely to have public insurance, which was also associated with a longer time to completion of radiation treatment. We conclude that non-white patients experienced delays to completing external beam radiation therapy, which was no longer present after adjusting for insurance status.
    Language English
    Publishing date 2018-06-19
    Publishing country Netherlands
    Document type Case Reports
    ZDB-ID 2818505-5
    ISSN 2352-5789
    ISSN 2352-5789
    DOI 10.1016/j.gore.2018.06.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Geographic differences in community oncology provider and practice location characteristics in the central United States.

    Ellis, Shellie D / Thompson, Jeffrey A / Boyd, Samuel S / Roberts, Andrew W / Charlton, Mary / Brooks, Joanna Veazey / Birken, Sarah A / Wulff-Burchfield, Elizabeth / Amponsah, Jonah / Petersen, Shariska / Kinney, Anita Y / Ellerbeck, Edward

    The Journal of rural health : official journal of the American Rural Health Association and the National Rural Health Care Association

    2022  Volume 38, Issue 4, Page(s) 865–875

    Abstract: ... Fisher's exact tests to compare physician characteristics and practice settings among rural and ...

    Abstract Purpose: How care delivery influences urban-rural disparities in cancer outcomes is unclear. We sought to understand community oncologists' practice settings to inform cancer care delivery interventions.
    Methods: We conducted secondary analysis of a national dataset of providers billing Medicare from June 1, 2019 to May 31, 2020 in 13 states in the central United States. We used Kruskal-Wallis rank and Fisher's exact tests to compare physician characteristics and practice settings among rural and urban community oncologists.
    Findings: We identified 1,963 oncologists practicing in 1,492 community locations; 67.5% practiced in exclusively urban locations, 11.3% in exclusively rural locations, and 21.1% in both rural and urban locations. Rural-only, urban-only, and urban-rural spanning oncologists practice in an average of 1.6, 2.4, and 5.1 different locations, respectively. A higher proportion of rural community sites were solo practices (11.7% vs 4.0%, P<.001) or single specialty practices (16.4% vs 9.4%, P<.001); and had less diversity in training environments (86.5% vs 67.8% with <2 medical schools represented, P<.001) than urban community sites. Rural multispecialty group sites were less likely to include other cancer specialists.
    Conclusions: We identified 2 potentially distinct styles of care delivery in rural communities, which may require distinct interventions: (1) innovation-isolated rural oncologists, who are more likely to be solo providers, provide care at few locations, and practice with doctors with similar training experiences; and (2) urban-rural spanning oncologists who provide care at a high number of locations and have potential to spread innovation, but may face high complexity and limited opportunity for care standardization.
    MeSH term(s) Aged ; Humans ; Medicare ; Neoplasms/epidemiology ; Neoplasms/therapy ; Professional Practice Location ; Rural Population ; Specialization ; United States
    Language English
    Publishing date 2022-04-05
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 639160-6
    ISSN 1748-0361 ; 0890-765X
    ISSN (online) 1748-0361
    ISSN 0890-765X
    DOI 10.1111/jrh.12663
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Time to Clinical Follow-up after Abnormal Mammogram among African American and Hispanic Women.

    Petersen, Shariska S / Sarkissyan, Marianna / Wu, Yanyuan / Clayton, Sheila / Vadgama, Jaydutt V

    Journal of health care for the poor and underserved

    2018  Volume 29, Issue 1, Page(s) 448–462

    Abstract: Background: Time to clinical follow-up after an abnormal mammogram may be a significant factor contributing to breast cancer health disparities.: Objective: Evaluate time to follow-up in a cross-sectional cohort of African American and Hispanic women ...

    Abstract Background: Time to clinical follow-up after an abnormal mammogram may be a significant factor contributing to breast cancer health disparities.
    Objective: Evaluate time to follow-up in a cross-sectional cohort of African American and Hispanic women who obtained mammogram screening at a county facility.
    Methods: Time to follow-up was assessed in days after an abnormal mammogram to subsequent clinical care in a cross-sectional study of 74 women.
    Results: The median number of days until clinical follow-up after an abnormal mammogram for women in the study was 30 days (Range: 0-357 days). There was a statistically significant difference in the time-to-biopsy among women who had incomplete mammograms and women who had comorbid conditions.
    Conclusions: This data indicates that county services provide clinical follow-up in compliance with recommended guidelines of 30 days. However, women with incomplete mammograms and comorbid conditions may be at a higher risk of experiencing delays in diagnosis and treatment.
    MeSH term(s) African Americans/statistics & numerical data ; Breast Neoplasms/diagnostic imaging ; Breast Neoplasms/ethnology ; Cohort Studies ; Cross-Sectional Studies ; Female ; Follow-Up Studies ; Healthcare Disparities/ethnology ; Hispanic Americans/statistics & numerical data ; Humans ; Mammography/statistics & numerical data ; Middle Aged ; Risk Factors ; Time-to-Treatment/statistics & numerical data
    Language English
    Publishing date 2018-01-10
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 1142637-8
    ISSN 1548-6869 ; 1049-2089
    ISSN (online) 1548-6869
    ISSN 1049-2089
    DOI 10.1353/hpu.2018.0030
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Geographic differences in community oncology provider and practice location characteristics in the central United States

    Ellis, Shellie D. / Thompson, Jeffrey A. / Boyd, Samuel S. / Roberts, Andrew W. / Charlton, Mary / Brooks, Joanna Veazey / Birken, Sarah A. / Wulff‐Burchfield, Elizabeth / Amponsah, Jonah / Petersen, Shariska / Kinney, Anita Y. / Ellerbeck, Edward

    Journal of rural health. 2022 Sept., v. 38, no. 4

    2022  

    Abstract: ... Fisher's exact tests to compare physician characteristics and practice settings among rural and ...

    Abstract PURPOSE: How care delivery influences urban‐rural disparities in cancer outcomes is unclear. We sought to understand community oncologists’ practice settings to inform cancer care delivery interventions. METHODS: We conducted secondary analysis of a national dataset of providers billing Medicare from June 1, 2019 to May 31, 2020 in 13 states in the central United States. We used Kruskal‐Wallis rank and Fisher's exact tests to compare physician characteristics and practice settings among rural and urban community oncologists. FINDINGS: We identified 1,963 oncologists practicing in 1,492 community locations; 67.5% practiced in exclusively urban locations, 11.3% in exclusively rural locations, and 21.1% in both rural and urban locations. Rural‐only, urban‐only, and urban‐rural spanning oncologists practice in an average of 1.6, 2.4, and 5.1 different locations, respectively. A higher proportion of rural community sites were solo practices (11.7% vs 4.0%, P<.001) or single specialty practices (16.4% vs 9.4%, P<.001); and had less diversity in training environments (86.5% vs 67.8% with <2 medical schools represented, P<.001) than urban community sites. Rural multispecialty group sites were less likely to include other cancer specialists. CONCLUSIONS: We identified 2 potentially distinct styles of care delivery in rural communities, which may require distinct interventions: (1) innovation‐isolated rural oncologists, who are more likely to be solo providers, provide care at few locations, and practice with doctors with similar training experiences; and (2) urban‐rural spanning oncologists who provide care at a high number of locations and have potential to spread innovation, but may face high complexity and limited opportunity for care standardization.
    Keywords data collection ; rural communities ; rural health
    Language English
    Dates of publication 2022-09
    Size p. 865-875.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note JOURNAL ARTICLE
    ZDB-ID 639160-6
    ISSN 0890-765X
    ISSN 0890-765X
    DOI 10.1111/jrh.12663
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: Rate of Urologic Injury with Robotic Hysterectomy.

    Petersen, Shariska S / Doe, Samfee / Rubinfeld, Ilan / Davydova, Yafa / Buekers, Thomas / Sangha, Roopina

    Journal of minimally invasive gynecology

    2018  Volume 25, Issue 5, Page(s) 867–871

    Abstract: Study objective: To evaluate rates of urologic injury in patients who underwent robotic hysterectomy compared with laparoscopic, vaginal, and open hysterectomy.: Design: A retrospective analysis (Canadian Task Force classification II-2).: Setting: ...

    Abstract Study objective: To evaluate rates of urologic injury in patients who underwent robotic hysterectomy compared with laparoscopic, vaginal, and open hysterectomy.
    Design: A retrospective analysis (Canadian Task Force classification II-2).
    Setting: Henry Ford Health System, 2013 to 2016.
    Patients: Women who underwent robotic, vaginal, laparoscopic, and open abdominal hysterectomy.
    Interventions: Robotic hysterectomy, laparoscopic-assisted vaginal hysterectomy, total laparoscopic hysterectomy, laparoscopic supracervical hysterectomy, vaginal hysterectomy, and abdominal hysterectomy.
    Measurements and main results: To identify patients with urologic injury, a departmental database for quality improvement was searched for reported urologic injuries. In addition, patients who had urology consultation within 90 days of hysterectomy were screened for injury. A total of 3114 hysterectomies were identified by retrospective chart review. One thousand eighty-eight robotic, 782 laparoscopic, 304 vaginal, and 940 abdominal hysterectomies were analyzed for urologic complications. A total of 27 injuries were confirmed (7 during laparoscopic hysterectomy, 10 during robotic hysterectomy, 1 during vaginal hysterectomy, and 9 during abdominal hysterectomy). The overall rate of urologic injury was 0.87% with a 0.55% risk of bladder injury and a 0.32% risk of injury to the ureter. When the route of hysterectomy was taken into account, the risk of urologic injury was 0.92% for robotic hysterectomy, 0.90% for laparoscopic hysterectomy, 0.33% for vaginal hysterectomy, and 0.96% for open hysterectomy. The mean body mass index (BMI) for all patients was 32.7 kg/m
    Conclusion: Rates of urologic injury with robotic hysterectomy are similar to those of laparoscopic hysterectomy in our population. BMI was not significantly different in patients who had urologic injuries. Surgeon volume was not associated with risk for urologic injury.
    MeSH term(s) Adult ; Body Mass Index ; Female ; Humans ; Hysterectomy/methods ; Intraoperative Complications/etiology ; Middle Aged ; Retrospective Studies ; Risk Factors ; Robotic Surgical Procedures/methods ; Ureter/injuries ; Urinary Bladder/injuries ; Vagina
    Language English
    Publishing date 2018-01-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2186934-0
    ISSN 1553-4669 ; 1553-4650
    ISSN (online) 1553-4669
    ISSN 1553-4650
    DOI 10.1016/j.jmig.2018.01.004
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Placental Chorangiosis: Increased Risk for Cesarean Section.

    Petersen, Shariska S / Khangura, Raminder / Davydov, Dmitry / Zhang, Ziying / Sangha, Roopina

    Case reports in obstetrics and gynecology

    2017  Volume 2017, Page(s) 5610945

    Abstract: We describe a patient with Class C diabetes who presented for nonstress testing at 36 weeks and 4 days of gestation with nonreassuring fetal heart tones (NRFHT) and oligohydramnios. Upon delivery, thrombosis of the umbilical cord was grossly noted. ... ...

    Abstract We describe a patient with Class C diabetes who presented for nonstress testing at 36 weeks and 4 days of gestation with nonreassuring fetal heart tones (NRFHT) and oligohydramnios. Upon delivery, thrombosis of the umbilical cord was grossly noted. Pathological analysis of the placenta revealed chorangiosis, vascular congestion, and 40% occlusion of the umbilical vein. Chorangiosis is a vascular change of the placenta that involves the terminal chorionic villi. It has been proposed to result from longstanding, low-grade hypoxia in the placental tissue and has been associated with such conditions such as diabetes, intrauterine growth restriction (IUGR), and hypertensive conditions in pregnancy. To characterize chorangiosis and its associated obstetric outcomes we identified 61 cases of "chorangiosis" on placental pathology at Henry Ford Hospital from 2010 to 2015. Five of these cases were omitted due to lack of complete records. Among the 56 cases, the cesarean section rate was 51%, indicated in most cases for nonreassuring fetal status. Thus, we suggest that chorangiosis, a marker of chronic hypoxia, is associated with increased rates of cesarean sections for nonreassuring fetal status because of long standing hypoxia coupled with the stress of labor.
    Language English
    Publishing date 2017-05-21
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2627654-9
    ISSN 2090-6692 ; 2090-6684
    ISSN (online) 2090-6692
    ISSN 2090-6684
    DOI 10.1155/2017/5610945
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Does a Multidisciplinary Approach to Invasive Breast Cancer Care Improve Time to Treatment and Patient Compliance?

    Doe, Samfee / Petersen, Shariska / Buekers, Thomas / Swain, Monique

    Journal of the National Medical Association

    2020  Volume 112, Issue 3, Page(s) 268–274

    Abstract: Purpose: This study aimed to evaluate whether comprehensive multidisciplinary care (cMDC) for breast cancer patients affected time from diagnosis to treatment, compliance with appointments and to assess for racial disparities.: Methods: This ... ...

    Abstract Purpose: This study aimed to evaluate whether comprehensive multidisciplinary care (cMDC) for breast cancer patients affected time from diagnosis to treatment, compliance with appointments and to assess for racial disparities.
    Methods: This institutional review board approved retrospective study included adult patients diagnosed with invasive breast cancer between February 2015 and February 2017 and treated at an academic health system where the cMDC program was implemented in February 2016. The cMDC and non-cMDC groups as well as black and white patients were compared to assess time from diagnosis (date of pathology result indicating invasive breast cancer) to treatment (date of surgery or chemotherapy). Compliance was measured by appointments characterized as "no shows" or "canceled due to personal reasons" in the electronic medical record.
    Results: Of 541 patients (419 cMDC and 122 non-cMDC), mean time from diagnosis to treatment was significantly longer for blacks than whites in the non-cMDC group (46.9 ± 64.6 days vs 28.2 ± 14.8 days, p = 0.024) and the cMDC group (39.9 ± 34.1 days vs 31.4 ± 16.3 days, p = 0.001). Of 38 (7.2%) patients who started treatment > 60 days after diagnosis, 25 (65.8%) were black. Implementation of cMDC significantly improved patient compliance (missed appointments 4.9 ± 7.6 non-cMDC vs 3.2 ± 4.6 cMDC, p = 0.029).
    Conclusion: Use of cMDC for invasive breast cancer at our institution highlighted an area for improvement for care administered to blacks and improved patient compliance with appointments.
    MeSH term(s) Black or African American ; Breast Neoplasms/ethnology ; Breast Neoplasms/therapy ; Female ; Healthcare Disparities ; Humans ; Interdisciplinary Communication ; Middle Aged ; Patient Care Team ; Patient Compliance ; Retrospective Studies ; Time-to-Treatment ; White People
    Language English
    Publishing date 2020-04-11
    Publishing country United States
    Document type Comparative Study ; Journal Article
    ZDB-ID 419737-9
    ISSN 1943-4693 ; 0027-9684
    ISSN (online) 1943-4693
    ISSN 0027-9684
    DOI 10.1016/j.jnma.2020.03.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Utilization of genetic testing in breast cancer treatment after implementation of comprehensive multi-disciplinary care.

    Doe, Samfee / Petersen, Shariska / Swain, Monique

    The breast journal

    2020  Volume 26, Issue 5, Page(s) 911–916

    Abstract: To evaluate the utilization of genetic testing after implementing a comprehensive multi-disciplinary care (cMDC) program for breast cancer and to assess for racial disparities. This retrospective study included patients newly diagnosed with invasive ... ...

    Abstract To evaluate the utilization of genetic testing after implementing a comprehensive multi-disciplinary care (cMDC) program for breast cancer and to assess for racial disparities. This retrospective study included patients newly diagnosed with invasive breast cancer 1 year before and 1 year after implementing a cMDC program to assess the rate of genetic referrals. Appropriate genetic referrals were defined by age, family history, triple-negative status, and personal history based on National Comprehensive Cancer Network guidelines. Secondary outcomes included rates of recommended testing, actual testing, compliance, and equity in genetic referrals across demographics (race, insurance type, and hospital site). Statistical analyses used the Fisher exact test or chi-square test. The 431 patients identified included 116 non-cMDC and 315 cMDC patients. Following implementation of cMDC, a significant increase occurred not only in appropriate genetic referrals (35.3%-55.5%) but also in inappropriate referrals (1.7%-15.5%) (P = .001). Overall attendance increased among both cohorts, Caucasians were more compliant with attending their genetic appointment compared to their African American counterparts (non-cMDC P = .025, cMDC P = .004). In the cMDC group, African Americans demonstrated a 6% increase in attendance compared to a 2% decrease among Caucasians. More appropriate genetic referrals were made to those with private insurance following implementation of cMDC. Utilizing a cMDC approach to breast cancer care may help increase appropriate utilization of genetics.
    MeSH term(s) African Americans ; Breast Neoplasms/genetics ; Breast Neoplasms/therapy ; European Continental Ancestry Group ; Female ; Genetic Testing ; Humans ; Retrospective Studies
    Language English
    Publishing date 2020-01-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1289960-4
    ISSN 1524-4741 ; 1075-122X
    ISSN (online) 1524-4741
    ISSN 1075-122X
    DOI 10.1111/tbj.13747
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Higher baseline BMI and lower estimated median income is associated with increasing BMI after endometrial cancer diagnosis.

    Petersen Harrington, Shariska / Balmaceda, Julia / Spoozak, Lori / Jewell, Andrea / Fitzgerald-Wolff, Sharon

    Gynecologic oncology reports

    2022  Volume 44, Issue Suppl 1, Page(s) 101109

    Abstract: Introduction: Endometrial cancer is often directly related to obesity and interventions for weight loss have mixed results. Risk factors for continued weight gain after diagnosis are not clearly defined in the literature. The objective of this study is ... ...

    Abstract Introduction: Endometrial cancer is often directly related to obesity and interventions for weight loss have mixed results. Risk factors for continued weight gain after diagnosis are not clearly defined in the literature. The objective of this study is to describe risk factors associated with increased body mass index (BMI) trajectory among endometrial cancer patients.
    Methods: Patients who were surgically treated for endometrial cancer at a single institution between 2010 and 2015 were identified. Demographics including age, race/ethnicity and estimated median income at diagnosis were obtained. BMI at five time points after diagnosis were calculated. BMI trajectories were estimated by latent class growth modeling using the PROC TRAJ procedure in SAS. Chi-squared tests and ANOVA were used to assess differences between trajectory groups. Statistical significance was set to a p-value < 0.05.
    Results: Of 695 patients included in the study, the average age at diagnosis was 62 years and over 70% of patients were obese at baseline. Patients experienced increasing, stable, or decreasing BMI over 2 years following diagnosis. Patients with younger age and lower estimated median income were most likely to be in the increasing BMI group. Among obese patients, those with Class I obesity (BMI 30 to 34.9 kg/m
    Conclusion: A third of endometrial cancer survivors experience increasing BMI. Severity of obesity at diagnosis matters, patients with severe obesity (Class III) were most likely to experience weight gain.
    Language English
    Publishing date 2022-11-24
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2818505-5
    ISSN 2352-5789
    ISSN 2352-5789
    DOI 10.1016/j.gore.2022.101109
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  10. Article ; Online: Integrating simulation and interpretive description to explore operating room leadership: critical event continuing education.

    Broski, Julie / Tarver, Stephen / Krase, Kelli / Petersen, Shariska / Wolverton, Amy / Winchester, Mae / Berbel, German / Zabel, Taylor / Warren, Hannah / Lineberry, Matthew

    Advances in health sciences education : theory and practice

    2023  Volume 28, Issue 4, Page(s) 1211–1244

    Abstract: In Obstetrics and Gynecologic operating room emergencies, the surgeon cannot both operate and lead a suddenly expanded and redirected team response. However, one of the most often used approaches to interprofessional continuing education designed to ... ...

    Abstract In Obstetrics and Gynecologic operating room emergencies, the surgeon cannot both operate and lead a suddenly expanded and redirected team response. However, one of the most often used approaches to interprofessional continuing education designed to improve teams' ability to respond to unanticipated critical events still emphasizes surgeon leadership. We developed Explicit Anesthesia and Nurse Distributed (EXPAND) Leadership to imagine a workflow that might better distribute emergency leadership task responsibilities and practices. The purpose of this exploratory study was to investigate teams' responses to distributing leadership during an interprofessional continuing education simulated obstetrical emergency. We used interpretive descriptive design in a secondary analysis of teams' post-simulation reflective debriefings. One-hundred sixty providers participated, including OB-Gyn surgeons, anesthesiologists, CRNAs, scrub technicians, and nurses. Using reflective thematic analysis, we identified three core themes: 1) The surgeon is focused on the surgical field, 2) Explicit leadership initiates a nurse transition from follower to leader in a hierarchical environment, and 3) Explicit distributed leadership enhances teamwork and taskwork. Continuing education which uses distributed leadership to improve teams' ability to respond to an obstetric emergency is perceived to enhance team members' response to the critical event . The potential for nurses' career growth and professional transformation was an unexpected finding associated with this continuing education which used distributed leadership. Our findings suggest that healthcare educators should consider ways in which distributed leadership may improve teams' response to critical events in the operating room.
    MeSH term(s) Humans ; Female ; Leadership ; Operating Rooms ; Education, Continuing ; Patient Care Team
    Language English
    Publishing date 2023-04-06
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1352832-4
    ISSN 1573-1677 ; 1382-4996
    ISSN (online) 1573-1677
    ISSN 1382-4996
    DOI 10.1007/s10459-023-10212-3
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