in this study , the in-vitro activity of ampicillin , chloramphenicol , oxytetracycline , trimethoprim-sulfamethoxazole ( tmp-smx ) , cefoperazone , ceftriaxone , cefotaxime , ceftizoxime , ofloxacin , pefloxacin , ciprofloxacin , and fleroxacin against clinically isolated strains of v. cholerae biotype el-tor have been investigated .
C0007561
ceftriaxone
C0007554
cefotaxime