title: Left ventricular performance in normal subjects: a comparison of the responses to exercise in the upright and supine positions.
mesh_terms: D001794:Blood Pressure; D001810:Blood Volume; D002302:Cardiac Output; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D005082:Physical Exertion; D011674:Pulse; D013318:Stroke Volume; D016276:Ventricular Function