title: [Administration of potassium penicillin and benzathine penicillin: comparison of penicillin levels in serum].
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D002648:Child; D006801:Humans; D010401:Penicillin G Benzathine / Q000008:administration & dosage*; D010406:Penicillins / Q000008:administration & dosage* / Q000097:blood; D013997:Time Factors
chemical_list: D010406:Penicillins; D010401:Penicillin G Benzathine