Objective To analyze the clinical distribution,as well as tendency of β-lactamase or AmpC production and resistance to common antibacterial agents for 317 clinical isolates of Pseudomoas aeruginosa in our hospital in 2007,so as to provide reference for clinical rational administration.Methods Retrospective analysis was carried out for the clinical distribution of clinical isolates of Pseudomoas aeruginosa in our hospital in 2007.Agar diffusion method(Kirby-Bauer method) and Vitek-32 automatic microbial anal...