title: [A study on the safety of anesthetic machines. (1) Examination of an oxygen supply circuit].
mesh_terms: D000056:Accident Prevention; D000776:Anesthesiology / Q000295:instrumentation*; D006931:Hyperbaric Oxygenation / Q000295:instrumentation; D010100:Oxygen; D012449:Safety
chemical_list: D010100:Oxygen