Comparison of in Vitro Activity of Doripenem versus Old Carbapenems against Pseudomonas Aeruginosa Clinical Isolates from both CF and Burn Patients oleh Reza Bigverdi, Mona Ghazi, Mostafa Davodi, Tahereh Pirzadeh, Morteza Ghojazadeh, Mohammad Hossein Soroush, Mohammad Reza Nahaei, Mohammad Ahangarzadeh Rezaee, Zoya Hojabri, Omid Pajand, Mohammad Aghazadeh