title: The effects of atropine and practolol on the perception of exertion during treadmill exercise.
mesh_terms: D001285:Atropine / Q000494:pharmacology*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D010101:Oxygen Consumption; D010465:Perception / Q000187:drug effects*; D005082:Physical Exertion; D011217:Practolol / Q000494:pharmacology*
chemical_list: D001285:Atropine; D011217:Practolol