High O2 Flow Rates Required to Achieve Acceptable FiO2 in CPAP-Treated Patients With Severe Covid-19: A Clinically Based Bench Study Marius Lebret; Emeline Fresnel; Guillaume Prieur; Jean Quieffin; Johan Dupuis; Bouchra Lamia; Yann Combret; Clément Medrinal;

Non Invasive Respiratory Support Therapies in COVID-19 Related Acute Respiratory Failure: Looking at the Neglected Issues João Carlos Winck; Raffaele Scala;

Protective Recommendations for Non-invasive Ventilation During COVID-19 Pandemic: A Bench Evaluation of the Effects of Instrumental Dead Space on Alveolar Ventilation Mathieu Delorme; Karl Leroux; Ghilas Boussaid; Marius Lebret; Helene Prigent; Antoine Leotard; Bruno Louis; Frédéric Lofaso;