1Spottel JH,Koeter GH,Altena VR,et al.Relation between lactamase producing baceria and patient characteristics in chronic obstructive pulmonary disease[J].Thorax,1993,50:249-253.
2Goldberg DM.The cephalosporins[].The Medical Clinics of North America.1987
3Jones NR.The current and future impact of antimicrobial resistance among nosocomail bacterial pathogens[].Diagnostic Microbiology and Infectious Disease.1992
4Coffey T J,Daniels M,Mcdougel LK,et al.Genetic analysis of clinical isolated of Streptococcus pneumoniae with high-level resistance to expanded-spectrum cephalosporin[].Antimicrobial Agents and Chemotherapy.1995
5Yamane A,Nadano H,Asahi Y,et al.Directly repeated insertion of 9nucleotide sequence detected in penicillin-binding protein 2B of penicillin-resisitant Streptococcus pneumoniae[].Antimicrobial Agent and Chemotherapy.
6Asahi Y,Takeuchi Y,Ubudata K.Diversity of substitution within or adjacent to conserved amino acid motifs of penicillin-binding protein 2X in cephalosporin-resistant Streptococcus pneumoniae isolates[].Antimicrobial Agents and Chemotherapy.1999
7Gustaferro CA,Steckelberg J M.Cephalosporins antimivrobial agents and related compounds[].Mayo Clinic Proceedings.1991
8Fraimow HS,Abrutyn FA.Pathogens resistant to antimicrobial agents[].Infectious Disease Clinics of North America.1995
9Corniglia G,Russell K,Satta G,et al.Relative importance of outher membrane permeability and group 1 beta-lactamas as mecropenem and imipenem activitis aginst enterobacter cloacae[].Antimicrobial Agents and Chemotherapy.1995
10Nidaido H,Liu W,Rosenberg EY.Outer membrene permiability and blactamase stability of dipolar ionic cephalosporins containing methoxyimino subsutuents[].Antimicrobial Agents and Chemotherapy.1990