Class 1 integron and Imipenem Resistance in Clinical Isolates of Pseudomonas aeruginosa: Prevalence and Antibiotic Susceptibility - Yousefi, S; Nahaei, MR; Farajnia, S; Ghojazadeh, M; Akhi, MT; Sharifi, Y; Milani, M; Ghotaslou, R (Iranian Journal of Microbiology)