Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) LEVISON ME,"Regional occurrence of plasmid-mediated SHV-7, an extended-spectrum beta-lactamase, in Enterobacter cloacae in Philadelphia Teaching Hospitals",Clin Infect Dis,,,2002,35,,1551-1554,https://cir.nii.ac.jp/crid/1570291226056280448,