Humidification during anesthesia.
D000758:Anesthesia; D000770:Anesthesia, Endotracheal; D002923:Cilia; D006801:Humans; D006813:Humidity; D007442:Intubation, Intratracheal; D009092:Mucous Membrane / Q000378:metabolism; D009093:Mucus / Q000378:metabolism; D009297:Nasal Mucosa; D012137:Respiratory System; D012138:Respiratory Therapy / Q000295:instrumentation; D013696:Temperature; D014464:Ultrasonic Therapy / Q000295:instrumentation