these results clearly indicates that the lipid bilayer membrane is more permeable to ampicillin than cefazolin and cephaloridine , and they are consistent with the observations of sawai et al. , who showed that ampicillin was a more effective antibacterial drug than cefazolin and cephaloridine against the porin-deficient mutants .
C0279516
antibacterial drug
C0007546
cefazolin