title: Primary myocardial disease (cardiomyopathies): a study of 69 cases.
mesh_terms: D009202:Cardiomyopathies / Q000175:diagnosis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D008297:Male