A TRUE-CIRCLE TWIN-CANISTER CONVERSION FOR THE COXETER-MUSHIN ABSORBER.
D000758:Anesthesia; D000769:Anesthesia, Inhalation; D000776:Anesthesiology; D004864:Equipment and Supplies; D006794:Household Articles; D006801:Humans
ANESTHESIA, INHALATION; EQUIPMENT AND SUPPLIES