title: Relation of exercise to the recurrence rate of myocardial infarction in men. Ontario Exercise-Heart Collaborative Study.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology / Q000209:etiology* / Q000534:rehabilitation; D009864:Ontario; D005082:Physical Exertion; D011897:Random Allocation; D012008:Recurrence