[Penicillin versus ampicillin].
D000667:Ampicillin / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use*; D006801:Humans; D010406:Penicillins / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use*
D010406:Penicillins; D000667:Ampicillin
Penicillin verus ampicillin.