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Article ; Online: Evaluation of Thin Film Microextraction for trace elemental analysis of liquid samples using LIBS detection.

Ripoll, L / Navarro-González, J / Legnaioli, S / Palleschi, V / Hidalgo, M

2020 Volume 223, Issue Pt 2, Page(s) 121736

Abstract: An analytical methodology based in the combination of Thin Film Microextraction with Laser-induced Breakdown Spectroscopy (TFME-LIBS) was investigated, for the first time, for detection of Cu, Cr, Ni and Pb in aqueous solutions. In this methodology, the ... ...

Abstract	An analytical methodology based in the combination of Thin Film Microextraction with Laser-induced Breakdown Spectroscopy (TFME-LIBS) was investigated, for the first time, for detection of Cu, Cr, Ni and Pb in aqueous solutions. In this methodology, the analytes were extracted in a thin film of adsorbent material deposited on a solid support, which was introduced in the sample to analyse. After extraction, the analytes retained in the adsorbent were analysed by LIBS. In order to obtain adsorbent films useful for the microextraction step, two different experimental procedures for film generation, denoted as Drop Casting Deposition and Mould Deposition, were evaluated. In both cases, graphene oxide was used as adsorbent material. The mould deposition procedure was found to produce more homogeneous graphene oxide layers, leading to more uniform distribution of the adsorbed analytes on the graphene oxide surface. Experimental parameters affecting the TFME procedure, such as the adsorbent amount and extraction time, were studied. Under optimum microextraction conditions, the analytical figures of merit of the proposed TFME-LIBS method were evaluated, leading to limits of detection ranging from 41 μg kg
Language	English
Publishing date	2020-10-05
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	1500969-5
ISSN	1873-3573 ; 0039-9140
ISSN (online)	1873-3573
ISSN	0039-9140
DOI	10.1016/j.talanta.2020.121736
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Article: A Case of Takayasu's Arteritis Presenting With Acute Middle Cerebral Artery Stroke Managed With Aortic-Common Carotid Artery (CCA) Bypass Surgery.

El Hunjul, Ghalib Nashaat / Cazzaniga, Juliana / Navarro Gonzalez, Jhon / Quinonez, Jonathan / Ruxmohan, Samir / Fahs, Abrahim

Cureus

2023 Volume 15, Issue 11, Page(s) e48166

Abstract: Takayasu's arteritis (TA) is a rare inflammatory disorder that affects large arteries, particularly the aorta and its main branches. TA is also known as a pulseless disease because it diminishes blood flow to the limbs and organs. The patient was a 17- ... ...

Abstract	Takayasu's arteritis (TA) is a rare inflammatory disorder that affects large arteries, particularly the aorta and its main branches. TA is also known as a pulseless disease because it diminishes blood flow to the limbs and organs. The patient was a 17-year-old female whose prior medical history included a diagnosis of TA. She had been experiencing multiple syncopal episodes up to three times daily, lasting 10 seconds each. She was being managed outpatient with immunologic therapy and warfarin. She initially presented to a children's hospital with abdominal pain and an asymmetrical smile and was found to have a ruptured ovarian cyst. This case demonstrated that life-threatening complications of TA can occur as a result of otherwise unrelated and common circumstances. The patient was managed medically and then proceeded to surgery. The case further highlights the multidisciplinary team approach between medical and surgical specialties and weighing the risks and benefits of complications for the patient's long-term care. Early diagnosis and prompt initiation of appropriate therapy are essential for better outcomes. Clinicians should be aware of the nonspecific symptoms of TA and consider it in the differential diagnosis of young patients presenting with systemic symptoms and arterial insufficiency. The initial presentation of middle cerebral artery stroke in young women has been documented in prior literature, but most published cases present the medical management of the disease. Our patient's case was unique because medical management was insufficient, with surgical management pursued due to persistent symptomatic hypotension. The inciting event of this case, an ovarian rupture with retroperitoneal hemorrhage, represents a unique burden to watershed infarctions in this patient group. Further research is needed to understand the pathogenesis of TA better and to develop more effective treatment strategies for this challenging disease.
Language	English
Publishing date	2023-11-02
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.48166
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Article: Evaluation of Thin Film Microextraction for trace elemental analysis of liquid samples using LIBS detection

Ripoll, L / Navarro-González, J / Legnaioli, S / Palleschi, V / Hidalgo, M

Talanta. 2021 Feb. 01, v. 223

2021

Abstract	An analytical methodology based in the combination of Thin Film Microextraction with Laser-induced Breakdown Spectroscopy (TFME-LIBS) was investigated, for the first time, for detection of Cu, Cr, Ni and Pb in aqueous solutions. In this methodology, the analytes were extracted in a thin film of adsorbent material deposited on a solid support, which was introduced in the sample to analyse. After extraction, the analytes retained in the adsorbent were analysed by LIBS. In order to obtain adsorbent films useful for the microextraction step, two different experimental procedures for film generation, denoted as Drop Casting Deposition and Mould Deposition, were evaluated. In both cases, graphene oxide was used as adsorbent material. The mould deposition procedure was found to produce more homogeneous graphene oxide layers, leading to more uniform distribution of the adsorbed analytes on the graphene oxide surface. Experimental parameters affecting the TFME procedure, such as the adsorbent amount and extraction time, were studied. Under optimum microextraction conditions, the analytical figures of merit of the proposed TFME-LIBS method were evaluated, leading to limits of detection ranging from 41 μg kg⁻¹ and 52 μg kg⁻¹. Method trueness, evaluated from the analysis of a real sample of bottle water, led to recovery values about 70%, indicating the existence of strong matrix effects probably due to the presence of major cations in the bottle water. After 50% dilution of the sample with deionized water, recoveries values improved to 100%–108%.
Keywords	adsorbents ; aqueous solutions ; atomic absorption spectrometry ; cations ; chemical species ; detection limit ; films (materials) ; graphene oxide ; liquids ; microextraction ; sampling ; water
Language	English
Dates of publication	2021-0201
Publishing place	Elsevier B.V.
Document type	Article
Note	NAL-light
ZDB-ID	1500969-5
ISSN	1873-3573 ; 0039-9140
ISSN (online)	1873-3573
ISSN	0039-9140
DOI	10.1016/j.talanta.2020.121736
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Article: Global Distribution of Key Features of Streamer Corona Discharges in Thunderclouds.

Soler, S / Gordillo-Vázquez, F J / Pérez-Invernón, F J / Luque, A / Li, D / Neubert, T / Chanrion, O / Reglero, V / Navarro-González, J / Østgaard, N

Journal of geophysical research. Atmospheres : JGR

2022 Volume 127, Issue 24, Page(s) e2022JD037535

Abstract: We present nighttime worldwide distributions of key features of Blue LUminous Events (BLUEs) detected by the Modular Multispectral Imaging Array of the Atmosphere-Space Interaction Monitor. Around 10% of all detected BLUEs exhibit an impulsive single ... ...

Abstract	We present nighttime worldwide distributions of key features of Blue LUminous Events (BLUEs) detected by the Modular Multispectral Imaging Array of the Atmosphere-Space Interaction Monitor. Around 10% of all detected BLUEs exhibit an impulsive single pulse shape. The rest of BLUEs are unclear (impulsive or not) single, multiple or with ambiguous pulse shapes. BLUEs exhibit two distinct populations with peak power density <25 µWm
Language	English
Publishing date	2022-12-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	710256-2
ISSN	2169-8996 ; 2169-897X ; 0148-0227
ISSN (online)	2169-8996
ISSN	2169-897X ; 0148-0227
DOI	10.1029/2022JD037535
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Article ; Online: Imaging of 3 bright terrestrial gamma-ray flashes by the atmosphere-space interactions monitor and their parent thunderstorms.

van der Velde, Oscar A / Navarro-González, Javier / Fabró, Ferran / Reglero, Víctor / Connell, Paul / Chanrion, Olivier / López, Jesús A / Montanyà, Joan / Neubert, Torsten / Østgaard, Nikolai

Scientific reports

2024 Volume 14, Issue 1, Page(s) 6946

Abstract: The Atmosphere-Space Interactions Monitor (ASIM) on the International Space Station (ISS) includes an instrument designed to geolocate Terrestrial Gamma-ray Flashes (TGF) produced by thunderstorms. It does so with a coded aperture system shadowing the ... ...

Abstract	The Atmosphere-Space Interactions Monitor (ASIM) on the International Space Station (ISS) includes an instrument designed to geolocate Terrestrial Gamma-ray Flashes (TGF) produced by thunderstorms. It does so with a coded aperture system shadowing the pixelated Low Energy Detector of the Modular X- and Gamma-ray Sensor (MXGS). Additionally, it locates associated lightning flashes with the Modular Multispectral Imaging Array (MMIA). Here we present 3 bright TGFs with very similar duration, fluency and observation distance. The innovative imaging capabilities allow us to determine the TGF position and correlate the TGF-lightning parent event in time and position simultaneously. The accurate position determination and distance to the observer allow us to perform a comparative study of TGF characteristics. These TGFs were produced in association with lightning flashes below the highest cloud tops of developing to mature convective cells. In one event, GLM (Geostationary Lightning Mapper) cloud flash rates were slowing down after the TGF while negative cloud-to-ground flashes suddenly ceased from 10 to 5 min before the TGF. An 8-stroke (strongest: -93 kA) cloud-to-ground flash occurred 31 s before the TGF. Vertical profiles from the ERA5 reanalysis data suggest TGFs may be produced in variety of tropical environments.
Language	English
Publishing date	2024-03-23
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-024-57229-1
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Article: Robotic Surgery: A Comprehensive Review of the Literature and Current Trends.

Rivero-Moreno, Yeisson / Echevarria, Sophia / Vidal-Valderrama, Carlos / Pianetti, Luigi / Cordova-Guilarte, Jesus / Navarro-Gonzalez, Jhon / Acevedo-Rodríguez, Jessica / Dorado-Avila, Gabriela / Osorio-Romero, Luisa / Chavez-Campos, Carmen / Acero-Alvarracín, Katheryn

Cureus

2023 Volume 15, Issue 7, Page(s) e42370

Abstract: Robotic surgery (RS) is an evolution of minimally invasive surgery that combines medical science, robotics, and engineering. The first robots approved by the Food and Drug Administration (FDA) were the Da Vinci Surgical System and the ZEUS Robotic ... ...

Abstract	Robotic surgery (RS) is an evolution of minimally invasive surgery that combines medical science, robotics, and engineering. The first robots approved by the Food and Drug Administration (FDA) were the Da Vinci Surgical System and the ZEUS Robotic Surgical System, which have been improving over time. Through the decades, the equipment applied to RS had undergone a wide transformation as a response to the development of new techniques and facilities for the assembly and implementation of the own. RS has revolutionized the field of urology, enabling surgeons to perform complex procedures with greater precision and accuracy, and many other surgical specialties such as gynecology, general surgery, otolaryngology, cardiothoracic surgery, and neurosurgery. Several benefits, such as a better approach to the surgical site, a three-dimensional image that improves depth perception, and smaller scars, enhance range of motion, allowing the surgeon to conduct more complicated surgical operations, and reduced postoperative complications have made robotic-assisted surgery an increasingly popular approach. However, some points like the cost of surgical procedures, equipment-instrument, and maintenance are important aspects to consider. Machine learning will likely have a role to play in surgical training shortly through "automated performance metrics," where algorithms observe and "learn" individual surgeons' techniques, assess performance, and anticipate surgical outcomes with the potential to individualize surgical training and aid decision-making in real time.
Language	English
Publishing date	2023-07-24
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.42370
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Article ; Online: Cyclosporine A plus low-dose steroid treatment in COVID-19 improves clinical outcomes in patients with moderate to severe disease: A pilot study.

Gálvez-Romero, J L / Palmeros-Rojas, O / Real-Ramírez, F A / Sánchez-Romero, S / Tome-Maxil, R / Ramírez-Sandoval, M P / Olivos-Rodríguez, R / Flores-Encarnación, S E / Cabrera-Estrada, A A / Ávila-Morales, J / Cortés-Sánchez, V / Sarmiento-Padilla, G / Tezmol-Ramírez, S E / Aparicio-Hernández, D / Urbina-Sánchez, M I / Gómez-Pluma, M Á / Cisneros-Méndez, S / Rodríguez-Rivas, D I / Reyes-Inurrigarro, S /

Cortés-Díaz, G / Cruz-Delgado, C / Navarro-González, J / Deveaux-Homs, J / Pedraza-Sánchez, S

Journal of internal medicine

2021 Volume 289, Issue 6, Page(s) 906–920

Abstract: Background: COVID-19 pandemic causes high global morbidity and mortality and better medical treatments to reduce mortality are needed.: Objective: To determine the added benefit of cyclosporine A (CsA), to low-dose steroid treatment, in patients with ...

Abstract	Background: COVID-19 pandemic causes high global morbidity and mortality and better medical treatments to reduce mortality are needed. Objective: To determine the added benefit of cyclosporine A (CsA), to low-dose steroid treatment, in patients with COVID-19. Methods: Open-label, non randomized pilot study of patients with confirmed infection of SARS-CoV-2 hospitalized from April to May 2020 at a single centre in Puebla, Mexico. Patients were assigned to receive either steroids or CsA plus steroids. Pneumonia severity was assessed by clinical, laboratory, and lung tomography. The death rate was evaluated at 28 days. Results: A total of 209 adult patients were studied, 105 received CsA plus steroids (age 55.3 ± 13.3; 69% men), and 104 steroids alone (age 54.06 ± 13.8; 61% men). All patients received clarithromycin, enoxaparin and methylprednisolone or prednisone up to 10 days. Patient's death was associated with hypertension (RR = 3.5) and diabetes (RR = 2.3). Mortality was 22 and 35% for CsA and control groups (P = 0.02), respectively, for all patients, and 24 and 48.5% for patients with moderate to severe disease (P = 0.001). Higher cumulative clinical improvement was seen for the CsA group (Nelson Aalen curve, P = 0.001, log-rank test) in moderate to severe patients. The Cox proportional hazard analysis showed the highest HR improvement value of 2.15 (1.39-3.34, 95%CI, P = 0.0005) for CsA treatment in moderate to severe patients, and HR = 1.95 (1.35-2.83, 95%CI, P = 0.0003) for all patients. Conclusion: CsA used as an adjuvant to steroid treatment for COVID-19 patients showed to improve outcomes and reduce mortality, mainly in those with moderate to severe disease. Further investigation through controlled clinical trials is warranted.
MeSH term(s)	COVID-19/drug therapy ; COVID-19/mortality ; COVID-19/pathology ; Cyclosporine/adverse effects ; Cyclosporine/therapeutic use ; Drug Therapy, Combination ; Female ; Glucocorticoids/administration & dosage ; Glucocorticoids/therapeutic use ; Humans ; Lung/pathology ; Male ; Methylprednisolone/administration & dosage ; Methylprednisolone/therapeutic use ; Middle Aged ; Pilot Projects ; Prednisone/administration & dosage ; Prednisone/therapeutic use ; Treatment Outcome
Chemical Substances	Glucocorticoids ; Cyclosporine (83HN0GTJ6D) ; Prednisone (VB0R961HZT) ; Methylprednisolone (X4W7ZR7023)
Language	English
Publishing date	2021-02-02
Publishing country	England
Document type	Clinical Trial ; Journal Article
ZDB-ID	96274-0
ISSN	1365-2796 ; 0954-6820
ISSN (online)	1365-2796
ISSN	0954-6820
DOI	10.1111/joim.13223
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Article ; Online: The UCSC Genome Browser database: 2024 update.

Raney, Brian J / Barber, Galt P / Benet-Pagès, Anna / Casper, Jonathan / Clawson, Hiram / Cline, Melissa S / Diekhans, Mark / Fischer, Clayton / Navarro Gonzalez, Jairo / Hickey, Glenn / Hinrichs, Angie S / Kuhn, Robert M / Lee, Brian T / Lee, Christopher M / Le Mercier, Phillipe / Miga, Karen H / Nassar, Luis R / Nejad, Parisa / Paten, Benedict /

Perez, Gerardo / Schmelter, Daniel / Speir, Matthew L / Wick, Brittney D / Zweig, Ann S / Haussler, David / Kent, W James / Haeussler, Maximilian

Nucleic acids research

2023 Volume 52, Issue D1, Page(s) D1082–D1088

Abstract: The UCSC Genome Browser (https://genome.ucsc.edu) is a web-based genomic visualization and analysis tool that serves data to over 7,000 distinct users per day worldwide. It provides annotation data on thousands of genome assemblies, ranging from human to ...

Abstract	The UCSC Genome Browser (https://genome.ucsc.edu) is a web-based genomic visualization and analysis tool that serves data to over 7,000 distinct users per day worldwide. It provides annotation data on thousands of genome assemblies, ranging from human to SARS-CoV2. This year, we have introduced new data from the Human Pangenome Reference Consortium and on viral genomes including SARS-CoV2. We have added 1,200 new genomes to our GenArk genome system, increasing the overall diversity of our genomic representation. We have added support for nine new user-contributed track hubs to our public hub system. Additionally, we have released 29 new tracks on the human genome and 11 new tracks on the mouse genome. Collectively, these new features expand both the breadth and depth of the genomic knowledge that we share publicly with users worldwide.
MeSH term(s)	Animals ; Humans ; Mice ; Databases, Genetic ; Genome, Human ; Genome, Viral ; Genomics ; Internet ; Molecular Sequence Annotation ; RNA, Viral ; Software
Chemical Substances	RNA, Viral
Language	English
Publishing date	2023-10-20
Publishing country	England
Document type	Journal Article
ZDB-ID	186809-3
ISSN	1362-4962 ; 1362-4954 ; 0301-5610 ; 0305-1048
ISSN (online)	1362-4962 ; 1362-4954
ISSN	0301-5610 ; 0305-1048
DOI	10.1093/nar/gkad987
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Book ; Online: Lightning-ignited wildfires and long continuing current lightning in the Mediterranean Basin

Pérez-Invernón, Francisco J. / Huntrieser, Heidi / Soler, Sergio / Gordillo-Vázquez, Francisco J. / Pineda, Nicolau / Navarro-González, Javier / Reglero, Víctor / Montanyà, Joan / Velde, Oscar / Koutsias, Nikos

eISSN: 1680-7324

preferential meteorological conditions

2021

Abstract: Lightning is the major cause of the natural ignition of wildfires worldwide and produces the largest wildfires in some regions. Lightning strokes produce about 5 % of forest fires in the Mediterranean Basin and are one of the most important precursors of ...

Abstract	Lightning is the major cause of the natural ignition of wildfires worldwide and produces the largest wildfires in some regions. Lightning strokes produce about 5 % of forest fires in the Mediterranean Basin and are one of the most important precursors of the largest forest fires during the summer. Lightning-ignited wildfires produce significant emissions of aerosols, black carbon, and trace gases, such as CO, SO 2 , CH 4 , and O 3 , affecting air quality. Characterization of the meteorological and cloud conditions of lightning-ignited wildfires in the Mediterranean Basin can serve to improve fire forecasting models and to upgrade the implementation of fire emissions in atmospheric models. This study investigates the meteorological and cloud conditions of lightning-ignited wildfires (LIWs) and long continuing current (LCC) lightning flashes in the Iberian Peninsula and Greece. LCC lightning and lightning in dry thunderstorms with a low precipitation rate have been proposed to be the main precursors of the largest wildfires. We use lightning data provided by the World Wide Lightning Location Network (WWLLN), the Earth Networks Total Lightning Network (ENTLN), and the Lightning Imaging Sensor (LIS) on board the International Space Station (ISS), together with four databases of wildfires produced in Spain, Portugal, southern France, and Greece, respectively, in order to produce a climatology of LIWs and LCC lightning over the Mediterranean Basin. In addition, we use meteorological data provided by the European Centre for Medium-Range Weather Forecasts (ECMWF) ERA5 reanalysis data set and by the Spanish State Meteorological Agency (AEMET), together with the Cloud Top Height product (CTHP) derived from Meteosat Second Generation (MSG) satellites measurements to investigate the meteorological conditions of LIWs and LCC lightning. According to our results, LIWs and a significant amount of LCC lightning flashes tend to occur in dry thunderstorms with weak updrafts. Our results suggest that LIWs tend to occur in clouds with a high base and with a vertical content of moisture lower than the climatological value, as well as with a higher temperature and a lower precipitation rate. Meteorological conditions of LIWs from the Iberian Peninsula and Greece are in agreement, although some differences possibly caused by the highly variable topography in Greece and a more humid environment are observed. These results show the possibility of using the typical meteorological and cloud conditions of LCC lightning flashes as proxy to parameterize the ignition of wildfires in atmospheric or forecasting models.
Subject code	333
Language	English
Publishing date	2021-12-02
Publishing country	de
Document type	Book ; Online
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Book ; Online: Lightning-ignited wildfires and long-continuing-current lightning in the Mediterranean Basin

eISSN: 1680-7324

Preferential meteorological conditions

2021

Abstract: Lightning is the major cause of natural ignition of wildfires worldwide and produces the largest wildfires in some regions. Lightning strokes produce about 5 % of forest fires in the Mediterranean basin and are one of the most important precursors of the ...

Abstract	Lightning is the major cause of natural ignition of wildfires worldwide and produces the largest wildfires in some regions. Lightning strokes produce about 5 % of forest fires in the Mediterranean basin and are one of the most important precursors of the largest forest fires during the summer. Lightning-ignited wildfires produce significant emissions of aerosols, black carbon and trace gases, such as CO, SO 2 , CH 4 and O 3 , affecting air quality. Characterization of the meteorological and cloud conditions of lightning-ignited wildfires in the Mediterranean basin can serve to improve fire forecasting models and to upgrade the implementation of fire emissions in atmospheric models. This study investigates the meteorological and cloud conditions of Lightning-Ignited Wildfires (LIW) and Long-Continuing-Current (LCC) lightning flashes in the Iberian Peninsula and Greece. LCC lightning and lightning in dry thunderstorms with low precipitation rate have been proposed to be the main precursors of the largest wildfires. We use lightning data provided by the World Wide Lightning Location Network (WWLLN), the Earth Network Total Lightning Network (ENTLN) and the Lightning Imaging Sensor (LIS) onboard the International Space Station (ISS) together with four databases of wildfires produced in Spain, Portugal, Southern France and Greece, respectively, in order to produce a climatology of LIW and LCC lightning over the Mediterranean basin. In addition, we use meteorological data provided by the European Centre for Medium-Range Weather Forecasts (ECMWF) ERA5-reanalysis data set and by the Spanish State Meteorological Agency (AEMET) together with the Cloud Top Height (CTH) product derived from Meteosat Second Generation (MSG) satellites measurements to investigate the meteorological conditions of LIW and LCC lightning. According to our results, LIW and a significant amount of LCC lightning flashes tend to occur in dry thunderstorms with weak updrafts. Our results suggest that lightning-ignited wildfires tend to occur in high-based clouds with a vertical content of moisture lower than the climatological value, as well as with a higher temperature and a lower precipitation rate. Meteorological conditions of LIW from the Iberian Peninsula and Greece are in agreement, although some differences possibly caused by highly variable topography in Greece and a more humid environment are observed. These results show the possibility of using the typical meteorological and cloud conditions of LCC lightning flashes as proxy to parameterize the ignition of wildfires in atmospheric or forecasting models.
Subject code	333
Language	English
Publishing date	2021-03-17
Publishing country	de
Document type	Book ; Online
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