the in vitro activity of ceftriaxone , a cephalosporin derivative , recently introduced in nigeria was compared with the activities of other related beta-lactam antibiotics such as cefotaxime , cefuroxime , cephaloridine , cloxacillin/ampicillin and ampicillin against 530 local clinical isolates of gram-negative and gram-positive bacteria .
C0007561
ceftriaxone
C0007554
cefotaxime