the mics of cfx against s. aureus and s. pyogenes slightly inferior to those of the cephalosporins , while the mics of cfx against gram-negative bacilli such as e. coli , proteus sp . and klebsiella sp . were considerably superior to those of cer and cet , and slightly superior to those of cez .
C3536856
cephalosporins
C0007557
cfx