title: Is humidification always necessary during noninvasive ventilation in the hospital?
authors.forename: Davide
authors.initials: D
authors.lastname: Chiumello
mesh_terms: D006801:Humans; D006813:Humidity; D007297:Inpatients; D009330:Nebulizers and Vaporizers / Q000706:statistics & numerical data*; D011175:Positive-Pressure Respiration / Q000379:methods*