sulbactam ( 50 mg/kg per day ) plus ampicillin ( 1:2 or 1:3 ratio ) or penicillin ( 1:1.2 or 1:1.8 ratio ) was given by intravenous bolus injection at 6-hr intervals for four to 11 days ( mean duration , nine days ) .
C0038665
sulbactam
C0030842
penicillin