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  1. The COVID-19 pandemic has caused a global mechanical ventilator shortage for treatment of severe acute respiratory failure. Development of novel breathing devices has been proposed as a low cost, rapid solutio...

    Authors: Aleksandra B. Gruslova, Nitesh Katta, Andrew G. Cabe, Scott F. Jenney, Jonathan W. Valvano, Tim B. Phillips, Austin B. McElroy, Robert K. LaSalle, Aydin Zahedivash, Van N. Truskett, Nishi Viswanathan, Marc D. Feldman, Richard B. Wettstein, Thomas E. Milner and Stephen Derdak

    Citation: Intensive Care Medicine Experimental 2021 9:54

    Content type: Research Articles

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  2. Plasma hyaluronan concentrations are increased during sepsis but underlying mechanisms leading to high plasma hyaluronan concentration are poorly understood. In this study we evaluate the roles of plasma hyalu...

    Authors: Jaap van der Heijden, Constantinos Kolliopoulos, Paul Skorup, Marko Sallisalmi, Paraskevi Heldin, Michael Hultström and Jyrki Tenhunen

    Citation: Intensive Care Medicine Experimental 2021 9:53

    Content type: Research Articles

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  3. Intra-abdominal hypertension (IAH) is common in critically ill patients and is associated with increased morbidity and mortality. High positive end-expiratory pressures (PEEP) can reverse lung volume and oxyge...

    Authors: Adrian Regli, Siavash Ahmadi-Noorbakhsh, Gabrielle Christine Musk, David Joseph Reese, Peter Herrmann, Martin Joseph Firth and J. Jane Pillow

    Citation: Intensive Care Medicine Experimental 2021 9:52

    Content type: Research Articles

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  4. Platelet–neutrophil complexes (PNCs) readily migrate into tissues and induce tissue damage via cytokine or other pathogenic factors release. These actions are involved in onset and progression of acute respira...

    Authors: Yumiko Sekiya, Kaoru Shimada, Hiroshi Takahashi, Chisa Kuga, Shunsuke Komachi, Keishi Miwa and Toru Kotani

    Citation: Intensive Care Medicine Experimental 2021 9:49

    Content type: Research Articles

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  5. Fluid resuscitation is frequently required for cardiac surgical patients admitted to the intensive care unit. The ideal fluid of choice in regard to efficacy and safety remains uncertain. Compared with crystal...

    Authors: Lisa Smart, Corrin Boyd, Edward Litton, Warren Pavey, Philip Vlaskovsky, Umar Ali, Trevor Mori, Anne Barden and Kwok Ming Ho

    Citation: Intensive Care Medicine Experimental 2021 9:48

    Content type: Research Articles

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  6. There is a strong rationale for proposing transpulmonary pressure-guided protective ventilation in acute respiratory distress syndrome. The reference esophageal balloon catheter method requires complex in vivo...

    Authors: Paul Bernard Massion, Julien Berg, Nicolas Samalea Suarez, Gilles Parzibut, Bernard Lambermont, Didier Ledoux and Pierre Pascal Massion

    Citation: Intensive Care Medicine Experimental 2021 9:47

    Content type: Methodologies

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  7. Personalizing mechanical ventilation requires the development of reliable bedside monitoring techniques. The multiple-breaths nitrogen washin–washout (MBNW) technique is currently available to measure end-expi...

    Authors: Laurent Bitker, Nadja Cristinne Carvalho, Sascha Reidt, Christoph Schranz, Dominik Novotni, Maciej Orkisz, Eduardo Davila Serrano, Jean-Pierre Revelly and Jean-Christophe Richard

    Citation: Intensive Care Medicine Experimental 2021 9:46

    Content type: Research Articles

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  8. Despite numerous advances in the identification of risk factors for the development of severe coronavirus disease 2019 (COVID-19), factors that promote recovery from COVID-19 remain unknown. Natural killer (NK...

    Authors: Vadim Lesan, Moritz Bewarder, Carlos Metz, André Becker, Sebastian Mang, Evi Regitz, Lorenz Thurner, Frank Neumann, Igor Kos, Konstantinos Christofyllakis, Guy Danziger, Stephan Stilgenbauer, Robert Bals, Philipp M. Lepper, Dominic Kaddu-Mulindwa and Torben Rixecker

    Citation: Intensive Care Medicine Experimental 2021 9:45

    Content type: Research Articles

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  9. Progranulin is a widely expressed pleiotropic growth factor with a central regulatory effect during the early immune response in sepsis. Progranulin signaling has not been systematically studied and compared b...

    Authors: Florian Brandes, Melanie Borrmann, Dominik Buschmann, Agnes S. Meidert, Marlene Reithmair, Markus Langkamp, Lutz Pridzun, Benedikt Kirchner, Jean-Noël Billaud, Nirav M. Amin, Joseph C. Pearson, Matthias Klein, Daniela Hauer, Clarissa Gevargez Zoubalan, Anja Lindemann, Alexander Choukér…

    Citation: Intensive Care Medicine Experimental 2021 9:43

    Content type: Research Articles

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  10. Increased capillary filtration may paradoxically accelerate vascular refill of both fluid and albumin from the interstitial space, which is claimed to be edema-preventing. We characterized this proposed mechan...

    Authors: Robert G. Hahn and Randal O. Dull

    Citation: Intensive Care Medicine Experimental 2021 9:44

    Content type: Research Articles

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  11. Intracranial hypertension (ICH) is a common final pathway of most neurosurgical pathologies and leads to poor prognosis if not detected and treated properly. Inflammatory markers have been assessed in clinical...

    Authors: Marcelo Prudente do Espírito Santo, Caroline Silvério Faria, Davi Jorge Fontoura Solla, Leonardo Zumerkorn Pipek, Alessandro Rodrigo Belon, Brasil Ping Jeng, Almir Ferreira de Andrade, Manoel Jacobsen Teixeira and Wellingson Silva Paiva

    Citation: Intensive Care Medicine Experimental 2021 9:42

    Content type: Research Articles

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  12. The complement factor D (CFD) exerts a regulatory role during infection. However, its physiological function in coagulopathy and its impact on the course of an infection remains unclear.

    Authors: O. Sommerfeld, K. Dahlke, M. Sossdorf, R. A. Claus, A. Scherag, M. Bauer and F. Bloos

    Citation: Intensive Care Medicine Experimental 2021 9:41

    Content type: Research Articles

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  13. Hypovitaminosis C and vitamin C deficiency are common in critically ill patients and associated with organ dysfunction. Low vitamin C status often goes unnoticed because determination is challenging. The stati...

    Authors: Sander Rozemeijer, Bob Smit, Paul W. G. Elbers, Armand R. J. Girbes, Heleen M. Oudemans-van Straaten and Angelique M. E. de Man

    Citation: Intensive Care Medicine Experimental 2021 9:40

    Content type: Research Articles

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  14. Reduced endothelial Tie2 expression occurs in diverse experimental models of critical illness, and experimental Tie2 suppression is sufficient to increase spontaneous vascular permeability. Looking for a commo...

    Authors: Temitayo O. Idowu, Valerie Etzrodt, Thorben Pape, Joerg Heineke, Klaus Stahl, Hermann Haller and Sascha David

    Citation: Intensive Care Medicine Experimental 2021 9:38

    Content type: Research Articles

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  15. Compressions given during cardiopulmonary resuscitation generate small, ineffective passive ventilations through oscillating waves. Positive end-expiratory pressure increases the volume of these passive ventil...

    Authors: Yosef Levenbrown, Md Jobayer Hossain, James P. Keith, Katlyn Burr, Anne Hesek and Thomas H. Shaffer

    Citation: Intensive Care Medicine Experimental 2021 9:37

    Content type: Research Articles

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  16. Septic shock is a life-threatening condition that challenges immune cells to reprogram their mitochondrial metabolism towards to increase ATP synthesis for building an appropriate immunity. This could print me...

    Authors: Wagner Luis Nedel, Afonso Kopczynski, Marcelo Salimen Rodolphi, Nathan Ryzewski Strogulski, Marco De Bastiani, Tiago Hermes Maeso Montes, Jose Abruzzi Jr, Antonio Galina, Tamas L. Horvath and Luis Valmor Portela

    Citation: Intensive Care Medicine Experimental 2021 9:39

    Content type: Research Articles

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  17. Proenkephalin A 119-159 (penKid) has been suggested as a marker of renal failure and poor outcome. We aimed to investigate the association of penKid on ICU admission with organ dysfunction and mortality in a m...

    Authors: Attila Frigyesi, Lisa Boström, Maria Lengquist, Patrik Johnsson, Oscar H. M. Lundberg, Martin Spångfors, Martin Annborn, Tobias Cronberg, Niklas Nielsen, Helena Levin and Hans Friberg

    Citation: Intensive Care Medicine Experimental 2021 9:36

    Content type: Research Articles

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  18. The gut microbiome plays a protective role in the host defense against pneumonia. The composition of the lung microbiota has been shown to be predictive of clinical outcome in critically ill patients. However,...

    Authors: Nora S. Wolff, Max C. Jacobs, W. Joost Wiersinga and Floor Hugenholtz

    Citation: Intensive Care Medicine Experimental 2021 9:35

    Content type: Research Articles

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  19. Induced hypernatremia and hyperosmolarity is protective in animal models of lung injury. We hypothesized that increasing and maintaining plasma sodium between 145 and 150 mmol/l in patients with moderate-to-se...

    Authors: Shailesh Bihari, Shivesh Prakash, Dani L. Dixon, Elena Cavallaro and Andrew D. Bersten

    Citation: Intensive Care Medicine Experimental 2021 9:33

    Content type: Research Articles

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  20. To identify priorities for administrative, epidemiologic and diagnostic research in sepsis.

    Authors: Mark E. Nunnally, Ricard Ferrer, Greg S. Martin, Ignacio Martin-Loeches, Flavia R. Machado, Daniel De Backer, Craig M. Coopersmith and Clifford S. Deutschman

    Citation: Intensive Care Medicine Experimental 2021 9:34

    Content type: Reviews

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  21. The identification of risk factors for adverse outcomes and prolonged intensive care unit (ICU) stay in COVID-19 patients is essential for prognostication, determining treatment intensity, and resource allocat...

    Authors: Lucas M. Fleuren, Michele Tonutti, Daan P. de Bruin, Robbert C. A. Lalisang, Tariq A. Dam, Diederik Gommers, Olaf L. Cremer, Rob J. Bosman, Sebastiaan J. J. Vonk, Mattia Fornasa, Tomas Machado, Nardo J. M. van der Meer, Sander Rigter, Evert-Jan Wils, Tim Frenzel, Dave A. Dongelmans…

    Citation: Intensive Care Medicine Experimental 2021 9:32

    Content type: Research Articles

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  22. Acute kidney injury is a severe complication following cardiopulmonary bypass (CPB) and is associated with capillary leakage and microcirculatory perfusion disturbances. CPB-induced thrombin release results in...

    Authors: Nicole A. M. Dekker, Anoek L. I. van Leeuwen, Matijs van Meurs, Jill Moser, Jeannette E. Pankras, Nicole N. van der Wel, Hans W. Niessen, Marc G. Vervloet, Alexander B. A. Vonk, Peter L. Hordijk, Christa Boer and Charissa E. van den Brom

    Citation: Intensive Care Medicine Experimental 2021 9:30

    Content type: Research Articles

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  23. Whether or not to administer antibiotics is a common and challenging clinical decision in patients with suspected infections presenting to the emergency department (ED). We prospectively validate InSep, a 29-m...

    Authors: Asimina Safarika, James W. Wacker, Konstantinos Katsaros, Nicky Solomonidi, George Giannikopoulos, Antigone Kotsaki, Ioannis M. Koutelidakis, Sabrina M. Coyle, Henry K. Cheng, Oliver Liesenfeld, Timothy E. Sweeney and Evangelos J. Giamarellos-Bourboulis

    Citation: Intensive Care Medicine Experimental 2021 9:31

    Content type: Research Articles

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  24. The vascular endothelium has important endocrine and paracrine roles, particularly in the regulation of vascular tone and immune function, and it has been implicated in the pathophysiology of a range of cardio...

    Authors: Simon Lambden, Andrew S. Cowburn, David Macias, Tessa A. C. Garrud, Bernardo J. Krause, Dino A. Giussani, Charlotte Summers and Randall S. Johnson

    Citation: Intensive Care Medicine Experimental 2021 9:28

    Content type: Research Articles

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  25. Pulmonary hypertension is a significant risk factor in patients undergoing surgery. The combined effects of general anaesthesia and positive pressure ventilation can aggravate this condition and cause increase...

    Authors: Janus Adler Hyldebrandt, Nikolaj Bøgh, Camilla Omann and Peter Agger

    Citation: Intensive Care Medicine Experimental 2021 9:29

    Content type: Research Articles

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  26. In critically ill children, detection of intra-abdominal hypertension (IAH > 10 mmHg) and abdominal compartment syndrome (ACS = IAH + organ dysfunction) is paramount and usually monitored through intra-vesical...

    Authors: T. Kaussen, M. Gutting, F. Lasch, D. Boethig, A. von Gise, J. Dingemann, H. Koeditz, T. Jack, M. Sasse, P. Beerbaum and M. Boehne

    Citation: Intensive Care Medicine Experimental 2021 9:24

    Content type: Research Articles

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  27. Hemorrhagic shock is associated with acute kidney injury and increased mortality. Targeting the endothelial angiopoietin/Tie2 system, which regulates endothelial permeability, previously reduced hemorrhagic sh...

    Authors: Anoek L. I. van Leeuwen, Nicole A. M. Dekker, Paul Van Slyke, Esther de Groot, Marc G. Vervloet, Joris J. T. H. Roelofs, Matijs van Meurs and Charissa E. van den Brom

    Citation: Intensive Care Medicine Experimental 2021 9:23

    Content type: Research Articles

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  28. One of the most serious complications of extracorporeal membrane oxygenation (ECMO) therapy is ECMO cannulae infection, which can occur at quadruple the rate of central venous catheter infections, and signific...

    Authors: India Pearse, Amanda Corley, Yue Qu and John Fraser

    Citation: Intensive Care Medicine Experimental 2021 9:25

    Content type: Research Articles

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  29. The pathophysiology of sepsis is multi-facetted and highly complex. As sepsis is a leading cause of global mortality that still lacks targeted therapies, increased understanding of its pathogenesis is vital fo...

    Authors: Alex R. Schuurman, Tom D. Y. Reijnders, Robert F. J. Kullberg, Joe M. Butler, Tom van der Poll and W. Joost Wiersinga

    Citation: Intensive Care Medicine Experimental 2021 9:27

    Content type: Reviews

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  30. The physiological dead space is a strong indicator of severity and outcome of acute respiratory distress syndrome (ARDS). The “ideal” alveolar PCO2, in equilibrium with pulmonary capillary PCO2, is a central conc...

    Authors: Matteo Bonifazi, Federica Romitti, Mattia Busana, Maria Michela Palumbo, Irene Steinberg, Simone Gattarello, Paola Palermo, Leif Saager, Konrad Meissner, Michael Quintel, Davide Chiumello and Luciano Gattinoni

    Citation: Intensive Care Medicine Experimental 2021 9:21

    Content type: Research Articles

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  31. Senicapoc is a potent and selective blocker of KCa3.1, a calcium-activated potassium channel of intermediate conductance. In the present study, we investigated whether there is a beneficial effect of senicapoc...

    Authors: Asbjørn G. Petersen, Peter C. Lind, Anne-Sophie B. Jensen, Mark A. Eggertsen, Asger Granfeldt and Ulf Simonsen

    Citation: Intensive Care Medicine Experimental 2021 9:20

    Content type: Research Articles

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  32. To describe the effect of mechanical ventilation on diaphragm mitochondrial oxygen consumption, ATP production, reactive oxygen species (ROS) generation, and cytochrome c oxidase activity and content, and thei...

    Authors: P. Eyenga, D. Roussel, B. Rey, P. Ndille, L. Teulier, F. Eyenga, C. Romestaing, J. Morel, V. Gueguen-Chaignon and S-S. Sheu

    Citation: Intensive Care Medicine Experimental 2021 9:19

    Content type: Research Articles

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  33. Measurements of cerebrospinal fluid (CSF) lactate can aid in detecting infections of the central nervous system and surrounding structures. Neurosurgical patients with temporary lumbar or ventricular CSF drain...

    Authors: C. Stephani, A. H. K. Choi and O. Moerer

    Citation: Intensive Care Medicine Experimental 2021 9:18

    Content type: Research Articles

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  34. Real-time automated analysis of videos of the microvasculature is an essential step in the development of research protocols and clinical algorithms that incorporate point-of-care microvascular analysis. In re...

    Authors: Christian S. Guay, Mariam Khebir, T. Shiva Shahiri, Ariana Szilagyi, Erin Elizabeth Cole, Gabrielle Simoneau and Mohamed Badawy

    Citation: Intensive Care Medicine Experimental 2021 9:15

    Content type: Research Articles

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  35. The pathophysiology of acute respiratory distress syndrome (ARDS) may eventually result in heterogeneous lung collapse and edema-flooded airways, predisposing the lung to progressive tissue damage known as ven...

    Authors: Ioanna Nikitopoulou, Ioanna Ninou, Nikolaos Manitsopoulos, Ioanna Dimopoulou, Stylianos E. Orfanos, Vassilis Aidinis and Anastasia Kotanidou

    Citation: Intensive Care Medicine Experimental 2021 9:12

    Content type: Research Articles

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  36. Cerebral vasospasm (VS) and delayed cerebral ischemia (DCI) constitute major complications following subarachnoid hemorrhage (SAH). A few studies have examined the relationship between different indices of cer...

    Authors: Vasilios E. Papaioannou, Karol P. Budohoski, Michal M. Placek, Zofia Czosnyka, Peter Smielewski and Marek Czosnyka

    Citation: Intensive Care Medicine Experimental 2021 9:11

    Content type: Research Articles

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  37. Despite decades of preclinical research, no experimentally derived therapies for sepsis have been successfully adopted into routine clinical practice. Factors that contribute to this crisis of translation incl...

    Authors: Asher A. Mendelson, Casey Lansdell, Alison E. Fox-Robichaud, Patricia Liaw, Jaskirat Arora, Jean-François Cailhier, Gediminas Cepinskas, Emmanuel Charbonney, Claudia dos Santos, Dhruva Dwivedi, Christopher G. Ellis, Dean Fergusson, Kirsten Fiest, Sean E. Gill, Kathryn Hendrick, Victoria T. Hunniford…

    Citation: Intensive Care Medicine Experimental 2021 9:14

    Content type: Commentary

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  38. Inspired air is heated and humidified in the nose before it reaches lower airways. This mechanism is bypassed during tracheostomy, directly exposing the airways to colder and drier air from the environment, kn...

    Authors: Susyn Joan Kelly, Paul Martinsen and Stanislav Tatkov

    Citation: Intensive Care Medicine Experimental 2021 9:8

    Content type: Research Articles

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  39. Critically ill COVID-19 patients have significantly increased risk of death. Although several circulating biomarkers are thought to be related to COVID-19 severity, few studies have focused on the characterist...

    Authors: Chaoyang Sun, Yuzhe Sun, Ping Wu, Wencheng Ding, Shiyou Wang, Jiafeng Li, Langchao Liang, Chaochao Chai, Yu Fu, Zhiming Li, Linnan Zhu, Jia Ju, Xin Liao, Xiaoyuan Huang, Ling Feng, Ding Ma…

    Citation: Intensive Care Medicine Experimental 2021 9:13

    Content type: Research Articles

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  40. To expand upon the priorities of fluid resuscitation and vasopressor therapy research priorities identified by a group of experts assigned by the Society of Critical Care Medicine and the European Society of I...

    Authors: Ishaq Lat, Craig M. Coopersmith, Daniel De Backer and Craig M. Coopersmith

    Citation: Intensive Care Medicine Experimental 2021 9:10

    Content type: Review

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  41. An amendment to this paper has been published and can be accessed via the original article.

    Authors: A. Kleyman, A. Cesar, G. Stanzani, N. Arulkumaran, W. Khaliq, DT. Andreis, B. Bollen Pinto, M. Waugh and M. Singer

    Citation: Intensive Care Medicine Experimental 2021 9:7

    Content type: Correction

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    The original article was published in Intensive Care Medicine Experimental 2020 8:73

  42. The COVID-19 pandemic has increased the need for a bedside tool for lung mechanics assessment and ventilator-induced lung injury (VILI) monitoring. Mechanical power is a unifying concept including all the comp...

    Authors: Angelo Senzi, Marco Bindi, Iacopo Cappellini, Lucia Zamidei and Guglielmo Consales

    Citation: Intensive Care Medicine Experimental 2021 9:6

    Content type: Letters to the Editor

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  43. Primary graft dysfunction (PGD) remains a major obstacle after lung transplantation. Ischemia–reperfusion injury is a known contributor to the development of PGD following lung transplantation. We developed a ...

    Authors: Anna Elisabeth Frick, Michaela Orlitová, Arno Vanstapel, Sofie Ordies, Sandra Claes, Dominique Schols, Tobias Heigl, Janne Kaes, Berta Saez-Gimenez, Robin Vos, Geert M. Verleden, Bart Vanaudenaerde, Stijn E. Verleden, Dirk E. Van Raemdonck and Arne P. Neyrinck

    Citation: Intensive Care Medicine Experimental 2021 9:4

    Content type: Research Articles

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