Investigation of antimicrobial resistance and genotypes of extended-spectrum β-lactamases-producing Gram-negative bacteria isolated from pediatrics in Shenyang;

The clinical characteristics of septicemia caused by Gram-negative bacteria and the analysis of their drug-resistance;

Study on examining class 1 integron of Gram-negative bacteria by colony in situ hybridization;

Comparison of endotoxin content between Gram negative bacteria and their L-forms;

OBJECTIVE To evaluate the antibacterial activities of cefoperazone combined with sulbactam against Gram negative bacteria,and compare with other antimicrobial agents.

AIM: To study spectrophotometrically the inhibitory activity of 4 SHV types β lactamases extracted from gram negative bacteria.

Changes of Gram-negative bacilli and drug resistances of nosocomial infections in ICU;

An analysis of drug resistance and isolation of Gram-negative bacilli in the Naval General Hospital of PLA from 2000 to 2003;

OBJECTIVE To analyze the antibiotic resistance of ESBLs-producing Gram-negative bacilli to 12 kinds of antibacterial drugs.

Surveillance of antimicrobial resistance among nosocomial Gram-negative bacilli from intensive care units (ICU) in West China Hospital;

Studies on drug resistance in Gram-negative bacilli producing AmpC enzyme and non-producing AmpC enzyme;

Diversity of Antimicrobial Resistance among Gram-negative bacilli;