Mariano Mazza1, Giuseppe Fiorentino2, Antonio M. Esquinas3
Mazza1 M, Fiorentino2 G, Esquinas3 AM. ELMO helmet for CPAP to treat COVID-19-related acute hypoxemic respiratory failure outside the ICU: aspects of/comments on its assembly and methodology. J Bras Pneumol. 2022;48(2):e20220072