Letter: Reduction in the incidence of rheumatic fever.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001315:Australia; D002648:Child; D006801:Humans; D012141:Respiratory Tract Infections / Q000188:drug therapy*; D012213:Rheumatic Fever / Q000453:epidemiology*
D000900:Anti-Bacterial Agents