Trainability of old men.
D000368:Aged; D001810:Blood Volume; D002318:Cardiovascular Diseases / Q000175:diagnosis; D006334:Heart Function Tests; D006339:Heart Rate; D006452:Hemoglobinometry; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D010806:Physical Education and Training; D011584:Psychology; D012129:Respiratory Function Tests