title: A low cost, comfortable and effective anesthesia earpiece.
mesh_terms: D000776:Anesthesiology / Q000295:instrumentation*; D001314:Auscultation / Q000295:instrumentation; D006326:Heart Auscultation / Q000295:instrumentation; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation; D012119:Respiration