Helmet CPAP treatment in patients with COVID-19 pneumonia: a multicentre cohort study.
Stefano AlibertiDejan RadovanovicFilippo BilliGiovanni SotgiuMatteo CostanzoTommaso PilocaneLaura SaderiAndrea GramegnaAngelo RovelliniLuca PerottoValter MonzaniPierachille SantusFrancesco BlasiPublished in: The European respiratory journal (2020)