A safe nonrebreathing system: humidity, sterility, cost.
D000328:Adult; D000368:Aged; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D000771:Anesthesia, Intravenous; D000985:Antisepsis; D001424:Bacterial Infections / Q000517:prevention & control; D001980:Bronchi / Q000166:cytology; D003365:Costs and Cost Analysis; D005260:Female; D006801:Humans; D006813:Humidity; D007442:Intubation, Intratracheal; D008297:Male; D008614:Meperidine / Q000008:administration & dosage; D008875:Middle Aged; D009609:Nitrous Oxide; D010100:Oxygen; D013242:Sterilization; D013696:Temperature; D014132:Trachea / Q000166:cytology; D014403:Tubocurarine / Q000008:administration & dosage; D012122:Ventilators, Mechanical
D008614:Meperidine; D009609:Nitrous Oxide; D010100:Oxygen; D014403:Tubocurarine