title: Optimal zone of methicillin activity for Staphylococcus epidermidis and its antagonism by other penicillins and cephalosporins.
mesh_terms: D002509:Cephaloridine; D002511:Cephalosporins / Q000494:pharmacology*; D004340:Drug Contamination; D008712:Methicillin / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D008826:Microbial Sensitivity Tests; D010400:Penicillin G; D010405:Penicillinase / Q000096:biosynthesis; D010406:Penicillins / Q000494:pharmacology*; D013210:Staphylococcus / Q000187:drug effects* / Q000201:enzymology
chemical_list: D002511:Cephalosporins; D010406:Penicillins; D010405:Penicillinase; D002509:Cephaloridine; D010400:Penicillin G; D008712:Methicillin