title: Exercise and the amplitude of first heart sound in ischemic heart disease and normal subjects.
mesh_terms: D000328:Adult; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006347:Heart Sounds; D006801:Humans; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D005082:Physical Exertion