Al- Thwani, A.N. and Al- Khafaji, K.A. 2011. A comparative study among clinical and environmental isolates of Vibrio cholerae at their antibiotic. Journal of Biotechnology Research Center. 5, 3 (Dec. 2011), 22–28. DOI:https://doi.org/10.24126/jobrc.2011.5.3.176.