An epidemiological assessment of bundle-branch block.
D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000453:epidemiology*; D002140:California; D006332:Cardiomegaly / Q000453:epidemiology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged