title: Primary myocardial disease: clinical characteristics.
mesh_terms: D000328:Adult; D000368:Aged; D000428:Alcohol Drinking; D006332:Cardiomegaly; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*