Failure of sulfonamides to increase the therapeutic effectiveness of penicillin in the treatment of streptococcal infections.
D002648:Child; D006801:Humans; D007223:Infant; D010406:Penicillins / Q000627:therapeutic use*; D013290:Streptococcal Infections; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides / Q000627:therapeutic use*
D010406:Penicillins; D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide
PENICILLIN/therapeutic use; STREPTOCOCCAL INFECTIONS/in infant and child; SULFONAMIDES/therapeutic use