[Clinical trial use of aminobenzyl penicillin].
D000667:Ampicillin; D010406:Penicillins; D011008:Pneumococcal Infections; D013203:Staphylococcal Infections
D010406:Penicillins; D000667:Ampicillin
PENICILLIN; PNEUMOCOCCAL INFECTIONS; STAPHYLOCOCCAL INFECTIONS