the in vitro susceptibility of 363 strains of salmonella isolated in honk kong to various antimicrobial drugs was tested , and the minimum inhibitory concentrations of ampicillin , mecillinam , and six cephalosporins ( cephalexin , cephradine , cefamandole , cefoxitin , cefuroxime , and ro 13-9904 ) for these strains were determined by an agar dilution method .
C3536856
cephalosporins
C0007557
cefoxitin