title: beta-Hemolytic streptococci in tonsillar tissue. The efficacy of penicillin.
mesh_terms: D002648:Child; D006801:Humans; D007223:Infant; D014066:Palatine Tonsil / Q000382:microbiology*; D010406:Penicillins / Q000628:therapy*; D013290:Streptococcal Infections; D013291:Streptococcus
chemical_list: D010406:Penicillins
keywords: PENICILLIN/therapy; STREPTOCOCCAL INFECTIONS/in infancy and childhood; TONSIL/microbiology