title: Screening methods for detection of beta-lactamases in Gram-negative bacteria.
mesh_terms: D001419:Bacteria / Q000201:enzymology*; D003470:Culture Media; D008722:Methods; D008826:Microbial Sensitivity Tests; D001618:beta-Lactamases / Q000378:metabolism*
chemical_list: D003470:Culture Media; D001618:beta-Lactamases