A controlled study of beta hemolytic streptococcal infection in rheumatic families. I. Streptococcal disease among healthy siblings.
D035843:Biomedical Research; D006801:Humans; D010406:Penicillins / Q000627:therapeutic use*; D012107:Research Design; D012213:Rheumatic Fever / Q000517:prevention & control*; D035781:Siblings; D013290:Streptococcal Infections / Q000517:prevention & control*
D010406:Penicillins
PENICILLIN/therapeutic use; RHEUMATIC FEVER/prevention and control; STREPTOCOCCAL INFECTIONS/prevention and control