Mitral valvotomy in Malaysian patients of 20 years of age and below.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008296:Malaysia; D008297:Male; D008946:Mitral Valve Stenosis / Q000453:epidemiology / Q000601:surgery*