title: Exercise induced tachycardia after cessation of practolol therapy.
mesh_terms: D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology; D005082:Physical Exertion; D010919:Placebos; D011217:Practolol / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D010919:Placebos; D011217:Practolol