Rheumatic fever:  prevention of recurrence with penicillin given orally.
D035843:Biomedical Research; D006801:Humans; D009369:Neoplasms; D010406:Penicillins / Q000627:therapeutic use*; D012008:Recurrence; D012213:Rheumatic Fever / Q000517:prevention & control*
D010406:Penicillins
PENICILLIN/therapeutic use; RHEUMATIC FEVER/prevention and control