Evaluation of Antimicrobial Resistance of Acinetobacter baumannii to Imipenem, Ciporofloxacin and Ceftazidime using E Test - Boroumand , MA; Akhyani , H; Sheikhvatan , M; Hekmat Yazdi , S; Saboorian , R; Hashemi , Sh; Firouzkouhi , F (Iranian Journal of Public Health)