Bokaeian, Mohmmad Frequency of PER, VEB, SHV, TEM and CTX-M Genes in Resistant Strains of Pseudomonas aeruginosa Producing Extended Spectrum β-Lactamases. [electronic resource] - Jundishapur journal of microbiology Jan 2015 - e13783 p. digital Publication Type: Journal Article ISSN: 2008-3645 Standard No.: 10.5812/jjm.13783 doi