Another use for precordial stethoscopes.
Hynson
J M
JM
D000767:Anesthesia, Epidural / Q000379:methods; D000775:Anesthesia, Spinal / Q000379:methods; D000776:Anesthesiology / Q000295:instrumentation* / Q000379:methods; D001314:Auscultation / Q000295:instrumentation*; D003080:Cold Temperature; D006801:Humans; D012879:Skin Physiological Phenomena