title: The effect of graded doses of practolol on the tachycardia induced by isoprenaline, Valsalva's manoeuvre and exercise.
mesh_terms: D000083:Acetanilides / Q000008:administration & dosage*; D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D007545:Isoproterenol / Q000037:antagonists & inhibitors; D005082:Physical Exertion; D013565:Sympatholytics / Q000008:administration & dosage*; D014636:Valsalva Maneuver
chemical_list: D000083:Acetanilides; D000319:Adrenergic beta-Antagonists; D013565:Sympatholytics; D007545:Isoproterenol