High flow nasal oxygen therapy to avoid invasive mechanical ventilation in SARS-CoV-2 pneumonia: a retrospective study oleh Nicolas Bonnet, Olivier Martin, Marouane Boubaya, Vincent Levy, Nathan Ebstein, Philippe Karoubi, Yacine Tandjaoui-Lambiotte, Guillaume Van Der Meersch, Johanna Oziel, Marie Soulie, Mohamed Ghalayini, Anais Winchenne, Jean Ralph Zahar, Passem Ahmed, Stéphane Gaudry, Yves Cohen