in an effort to define the optimal preventive antibiotics for gunshot wounds to the abdomen , 100 consecutive patients were randomized while in the emergency department to receive either combination ampicillin , amikacin , and clindamycin , combination doxycycline and penicillin , or carbenicillin ( groups i , ii , and iii , respectively ) .
C0030842
penicillin
C0006976
carbenicillin