1Bauernfeind A, Stemplinger I, Jungwirth R, et al. Sequences of beta-lactamase genes encoding CTX-M-1 (MEN-1) and CTX-M-2 and relationship of their amino acid sequences with those of other beta-lactamases. Antimicrob Agents Chemother, 1996,40:509-513.
2Coque TM, Oliver A, Perez-Diaz JC, et al. Genes encoding TEM-4, SHV-2, and CTX-M-10 extended-spectrum beta-lactamases are carried by multiple Klebsiella pneumoniae clones in a single hospital (Madrid, 1989 to 2000). Antimicrob Agents Chemother, 2002,46:50
3Chanawong A, M′Zali FH, Heritage J, et al. Three cefotaximases, CTX-M-9, CTX-M-13, and CTX-M-14, among Enterobacteriaceae in the People's Republic of China. Antimicrob Agents Chemother, 2002,46:630-637.
4Yan JJ, Wu SM, Tsai SH, et al. Prevalence of SHV-12 among clinical isolates of Klebsiella pneumoniae producing extended-spectrum beta-lactamases and identification of a novel AmpC enzyme (CMY-8) in Southern Taiwan. Antimicrob Agents Chemother, 2000,44:143
5Bonfiglio G, Perilli M, Stefani S, et al. Prevalence of extended spectrum beta-lactamases among Enterobacteriaceae: an Italian survey. Int J Antimicrob Agents, 2002,19:213-217.
6Tzelepi E, Magana Ch, Platsouka E, et al. Extended-spectrum beta-lactamase types in Klebsiella pneumoniae and Escherichia coli in two Greek hospitals. Int J Antimicrob Agents, 2003,21:285-288.
7Yagi T, Kurokawa H, Shibata N, et al. A preliminary survey of extended-spectrum beta-lactamases (ESBLs) in clinical isolates of Klebsiella pneumoniae and Escherichia coli in Japan. FEMS Microbiol Lett, 2000,184:53-56.
8Xiong Z, Zhu D, Wang F, et al. Investigation of extended-spectrum beta-lactamase in Klebsiellae pneumoniae and Escherichia coli from China. Diagn Microbiol Infect Dis, 2002,44:195-200.
9Wang H, Kelkar S, Wu W, et al. Clinical isolates of Enterobacteriaceae producing extended-spectrum beta-lactamases: prevalence of CTX-M-3 at a hospital in China. Antimicrob Agents Chemother, 2003,47:790-793.
10Arduino SM, Roy PH, Jacoby GA, et al. blaCTX-M-2 is located in an unusual class 1 integron (In35) which includes Orf513. Antimicrob Agents Chemother, 2002,46:2303-2306.
