title: Variability in cardiac output during exercise.
mesh_terms: D000328:Adult; D000787:Angina Pectoris / Q000503:physiopathology; D001158:Arteries; D002302:Cardiac Output; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D005082:Physical Exertion; D012146:Rest; D014680:Veins
chemical_list: D010100:Oxygen