in a preliminary in vitro checkerboard study the bactericidal effect of various cephalosporins ( cephalothin , cefamandole , cefotaxime and cefoperazone ) in combination with other antibiotics ( netilmicin , amikacin , vancomycin and fosfomycin ) was studied on ten m-r staphylococcal strains .
C3536856
cephalosporins
C0007552
cefoperazone