[Bacterial sensitivity and resistance to chemotherapeutics---its definition and problems].
D000667:Ampicillin / Q000494:pharmacology; D000818:Animals; D002511:Cephalosporins / Q000494:pharmacology; D004355:Drug Stability; D004358:Drug Therapy; D007709:Klebsiella / Q000187:drug effects; D051379:Mice; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D013210:Staphylococcus / Q000187:drug effects