Original Article
        
        
            
        
        
        
Synergistic effect of copper oxide nanoparticles and chloramphenicol antibiotic on MexA gene expression of pump efflux system in drug-resistant Pseudomonas aeruginosa isolates
        
        
        Faten Alazavi 1  , Farahnaz - Molavi 2 *
, Farahnaz - Molavi 2 *   , Maryam Tehranipoor 2
, Maryam Tehranipoor 2 