Bacterial beta-lactamases and their significance in resistance to penicillins and cephalosporins.
D001419:Bacteria / Q000187:drug effects*; D002511:Cephalosporins / Q000378:metabolism / Q000494:pharmacology*; D010403:Penicillin Resistance; D010405:Penicillinase / Q000378:metabolism*; D010406:Penicillins / Q000378:metabolism / Q000494:pharmacology*
D002511:Cephalosporins; D010406:Penicillins; D010405:Penicillinase