Humidification during anesthesia.
D000770:Anesthesia, Endotracheal; D005069:Evaluation Studies as Topic; D006358:Hot Temperature; D006801:Humans; D006813:Humidity; D008991:Monitoring, Physiologic; D010372:Pediatrics; D012123:Pulmonary Ventilation; D013696:Temperature; D014465:Ultrasonics / Q000295:instrumentation