OESOPHAGEAL STETHOSCOPE.
D000368:Aged; D001314:Auscultation; D004864:Equipment and Supplies; D004947:Esophagus; D006326:Heart Auscultation; D006801:Humans; D019023:Stethoscopes
AUSCULTATION; EQUIPMENT AND SUPPLIES; ESOPHAGUS; HEART AUSCULTATION