Humidification of inspired air.
D000388:Air / Q000032:analysis; D000777:Anesthetics / Q000494:pharmacology; D001285:Atropine / Q000494:pharmacology; D006801:Humans; D006813:Humidity; D012119:Respiration / Q000187:drug effects / Q000502:physiology*; D013147:Spirometry; D012122:Ventilators, Mechanical; D014867:Water / Q000032:analysis
D000777:Anesthetics; D014867:Water; D001285:Atropine