title: Incidence of B-lactamase production by gram-negative bacilli isolated from urinary tract infection, at Ain Shams and El-Sahil teaching hospitals.
mesh_terms: D003428:Cross Infection / Q000382:microbiology*; D004352:Drug Resistance, Microbial; D006090:Gram-Negative Bacteria / Q000201:enzymology*; D006801:Humans; D014552:Urinary Tract Infections / Q000382:microbiology*; D001618:beta-Lactamases / Q000378:metabolism*
chemical_list: D001618:beta-Lactamases