Emergence of colistin resistant Pseudomonas aeruginosa at Tabriz hospitals, Iran - Goli, Hamid Reza; nahaei, Mohammad Reza; Ahangarzadeh-Rezaee, Mohammad; Hasani, Alka; Samadi Kafil, Hossein; Aghazadeh, Mohammad (Iranian Journal of Microbiology, 2016)