Development of clinical tools to estimate the breathing effort during high-flow oxygen therapy: A multicenter cohort study A. Protti; R. Tonelli; F. Dalla Corte; D.L. Grieco; E. Spinelli; S. Spadaro; D. Piovani; L.S. Menga; G. Schifino; M.L. Vega Pittao; M. Umbrello; G. Cammarota; C.A. Volta; S. Bonovas; M. Cecconi; T. Mauri; E. Clini;

Tidal volume and helmet: Is the never ending story coming to an end? A. Cortegiani; M. Ippolito; M. Luján; C. Gregoretti;

High altitudes and partial pressure of arterial oxygen in patients with chronic obstructive pulmonary disease - A systematic review and meta-analysis A. Sevik; T. Gaisl; A. Forrer; L. Graf; S. Ulrich; K.E. Bloch; M. Lichtblau; M. Furian;