Massoral penicillin prophylaxis in control of streptococcal disease.
D019072:Antibiotic Prophylaxis; D010406:Penicillins / Q000627:therapeutic use*; D013290:Streptococcal Infections / Q000628:therapy*; D013291:Streptococcus
D010406:Penicillins
PENICILLIN/therapeutic use; STREPTOCOCCAL INFECTIONS/therapy