New portable anesthetic gas machine and resuscitator; preliminary report.
D000758:Anesthesia; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D000776:Anesthesiology; D018685:Anesthetics, Inhalation; D006801:Humans
D018685:Anesthetics, Inhalation
ANESTHESIA, INHALATION/apparatus and instruments