Better and better beta-lactams.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001419:Bacteria / Q000201:enzymology; D001424:Bacterial Infections / Q000188:drug therapy; D006801:Humans; D008826:Microbial Sensitivity Tests; D001618:beta-Lactamases / Q000096:biosynthesis; D047090:beta-Lactams
D000900:Anti-Bacterial Agents; D047090:beta-Lactams; D001618:beta-Lactamases