title: Anesthesia units and breathing systems.
mesh_terms: D000776:Anesthesiology / Q000295:instrumentation* / Q000592:standards; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006801:Humans; D010092:Oximetry / Q000295:instrumentation; D012015:Reference Standards; D012138:Respiratory Therapy / Q000295:instrumentation* / Q000592:standards