the in vitro antibacterial activity of eight newer beta-lactam antibiotics ( mecillinam , piperacillin , mezlocillin , cefoxitin , cefotaxime , moxalactam , ceftriaxone and ceftazidime ) was determined against 87 cephalothin-resistant strains of enterobacteriaceae isolated during 6 months in a general hospital .
C0279516
antibacterial
C0007559
ceftazidime