Prophylaxis of otitis media.
D002648:Child; D006801:Humans; D010033:Otitis Media / Q000517:prevention & control*; D010400:Penicillin G / Q000627:therapeutic use*; D013444:Sulfisoxazole / Q000627:therapeutic use*
D013444:Sulfisoxazole; D010400:Penicillin G