Streptococcal infections of skin and pharynx.
D002648:Child; D002751:Chlortetracycline / Q000627:therapeutic use; D006801:Humans; D010406:Penicillins / Q000627:therapeutic use; D010612:Pharyngitis / Q000188:drug therapy / Q000453:epidemiology; D012213:Rheumatic Fever / Q000453:epidemiology; D012871:Skin Diseases / Q000188:drug therapy; D013290:Streptococcal Infections / Q000188:drug therapy / Q000453:epidemiology; D014481:United States
D010406:Penicillins; D002751:Chlortetracycline