title: Classification of beta-lactamases: groups 1, 2a, 2b, and 2b'.
authors.affiliation: Squibb Institute for Medical Research, Princeton, New Jersey 08540.
authors.forename: K
authors.initials: K
authors.lastname: Bush
mesh_terms: D001618:beta-Lactamases / Q000145:classification* / Q000378:metabolism
chemical_list: D001618:beta-Lactamases