%0 Journal Article %A Stefano Aliberti %A Dejan Radovanovic %A Filippo Billi %A Giovanni Sotgiu %A Matteo Costanzo %A Tommaso Pilocane %A Laura Saderi %A Andrea Gramegna %A Angelo Rovellini %A Luca Perotto %A Valter Monzani %A Pierachille Santus %A Francesco Blasi %T Helmet CPAP treatment in patients with COVID-19 pneumonia: a multicentre cohort study %D 2020 %R 10.1183/13993003.01935-2020 %J European Respiratory Journal %P 2001935 %V 56 %N 4 %U https://erj.ersjournals.com/content/erj/56/4/2001935.full.pdf