Prevalence of rheumatic heart disease in Railway school children in India.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D011890:Railroads; D012214:Rheumatic Heart Disease / Q000453:epidemiology*; D012737:Sex Factors; D012959:Socioeconomic Factors