N GANGULY, N.; PHUKAN RAY, R.; LAHKAR, M.; SIDDIQUI, A. A prospective, randomized, double blind controlled trial of the use of preoperative antibiotics in routine abdominal surgery: A comparative analysis between Ofloxacin + Metronidazole, Cefotaxime + Sulbactum and Cefepime +Tazobactum (Single does vs. Three . International Journal of Medical Research and Review, v. 4, n. 4, p. 480-485, 30 Apr. 2016.