The problem of sulfonamide-resistant hemolytic streptococci.
D006801:Humans; D013290:Streptococcal Infections; D013291:Streptococcus; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides
D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide
STREPTOCOCCI/sulfa-resistant