title: beta-Lactamases and resistance to cephalosporins.
mesh_terms: D002510:Cephalosporinase / Q000378:metabolism*; D002511:Cephalosporins / Q000378:metabolism / Q000494:pharmacology*; D055598:Chemical Phenomena; D002621:Chemistry; D004352:Drug Resistance, Microbial; D001618:beta-Lactamases / Q000378:metabolism*
chemical_list: D002511:Cephalosporins; D002510:Cephalosporinase; D001618:beta-Lactamases