title: [Classification of beta-lactams].
abstract: Redefinition of beta-lactams is needed as the many ongoing investigations produce an ever-increasing number of molecules. At the time being, there are four groups of beta-lactams: penams, cephems, penems, and monolactams.
mesh_terms: D000900:Anti-Bacterial Agents / Q000145:classification*; D001419:Bacteria / Q000187:drug effects / Q000201:enzymology; D002511:Cephalosporins / Q000145:classification; D010403:Penicillin Resistance; D010406:Penicillins / Q000145:classification; D001618:beta-Lactamases / Q000378:metabolism
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D010406:Penicillins; D001618:beta-Lactamases
vernacular_title: Classification des bêta-lactamines.