3LIPEZ ANTUNANO F J,SILVA SANCHEZ J.Bacterial resistance toantibiotics in acute respiratory infections (ARIS) [ J ].Arch MedRes,1997 28(2):195.
4BUSH K,GACOBY G A,MEDEIROS A A.A functional classfication scheme for-lactamases and its correlation with molecular structure[ J].Antimicrob Agents Chemother,1995,39:1211.
6Gavalda J,Torres C,Tenorio C,et al.Efficacy of ampicillin plus ceftriaxone in treatment of expeimental endocarditis due to Enterococcus faecalis strains highly resistant to aminoglycosides[J].Antimicrob Agents Chemother,1999,43(3):639
7Hopefl A W.Overview of synergy with reference to double beta-lactam combinations[J].Annal Pharmacother.1991,25(9):972
8Lin E,Stanek R J,Mufson M A.Lack of synergy of erythromycin combined with penicillin or cefotaxime against Streptococcus pneumoniae in vitro[J].Antimicrob Agents Chemother,2003,47(3):1151
9Bonapace C R,White R L,Friedrich L V,et al.Evaluation of antibiotic synergy agaist Acinetobacter baumannii:a comparison with E-test,time-kill,and checkerboard methods[J].Diagn Microbiol Infect Dis,2000,38(1):43
10Johansen H K,Jensen T G,Dessau R B,et al.Antagonism between penicillin and erythromycin in agaist Streptococcus pneumoniae in vitro and in vivo[J].J Antimicrob Chemother,2000,46(6):973
