Twice a day penicillin therapy for streptococcal upper respiratory infections.
D000284:Administration, Oral; D006801:Humans; D010400:Penicillin G / Q000008:administration & dosage* / Q000627:therapeutic use; D012008:Recurrence; D012141:Respiratory Tract Infections / Q000188:drug therapy*; D013290:Streptococcal Infections / Q000188:drug therapy*; D013997:Time Factors
D010400:Penicillin G