Rheumatic fever control.
D000293:Adolescent; D000367:Age Factors; D044383:Black People; D002648:Child; D002675:Child, Preschool; D006266:Health Education; D006306:Health Surveys; D006801:Humans; D008396:Maryland; D009519:New York City; D010406:Penicillins / Q000627:therapeutic use; D011203:Poverty; D012008:Recurrence; D012213:Rheumatic Fever / Q000453:epidemiology / Q000517:prevention & control*; D001741:Black or African American
D010406:Penicillins