the minimal inhibitory concentration of cefaclor , cephalexin , cephradine , cefamandole , cephalothin , cephapirin , cefazolin , ampicillin , chloramphenicol , and tetracycline for inhibition of 198 freshly isolated clinical strains of haemophilus species ( 23 h. influenzae type b , 157 h. influenzae non-type b , 14 h. parainfluenzae , and 4 h. aphrophilus ) was determined simultaneously by a slightly modified who-ics agar dilution method .
C0007537
cefaclor
C0007716
cephalexin