2Wu C M, Cao J L, Zheng M H. Effect and mechanism of and rographolide 11 the recovery of Pseudomonas aeruginosa susceptibility to several antibiotics[ J ]. J International Medi- cal Research, 2008, 36(1): 178.
3Cormio G, Vicino M, Loizzi V, et al. Antimicrobial prophy- laxis in vaginal gynecologic surgery: a prospective random- ized study comparingamoxicillin-clavulanic acid with cefazolin [J].J Chemother, 2007, 19(2): 193.
4Poudyal N, Gyawali N, Gurung R, et al. In vitro activity of cefoperazone-sulbactam combination against gram negative bacilli[J]. Nepal Med Coll J, 2012, 14(1) : 5.
5Kumamoto Y, Tsukeanoto T, Matsukawa M, et al. Com- parative studies on activities of antimicrobial agents against causative organisms isolated from patients with urinary tract infections (2004) Ill, secular changes in suseeptibility[J ]. J Antibiat, 2006, 59(4): 217.