title: Thirty years of penicillin therapy.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D000818:Animals; D000900:Anti-Bacterial Agents / Q000032:analysis / Q000266:history; D001419:Bacteria / Q000187:drug effects; D001431:Bacteriological Techniques; D001433:Bacteriolysis; D002473:Cell Wall / Q000032:analysis; D002701:Chloramphenicol / Q000138:chemical synthesis; D003461:Crystallography; D004739:England; D049673:History, 20th Century; D007769:Lactams / Q000032:analysis; D051379:Mice; D008837:Micrococcus / Q000032:analysis; D009113:Muramidase; D010400:Penicillin G / Q000138:chemical synthesis / Q000302:isolation & purification; D010403:Penicillin Resistance; D010406:Penicillins / Q000266:history* / Q000494:pharmacology / Q000627:therapeutic use; D011135:Polysaccharides, Bacterial / Q000032:analysis
chemical_list: D000900:Anti-Bacterial Agents; D007769:Lactams; D010406:Penicillins; D011135:Polysaccharides, Bacterial; D002701:Chloramphenicol; D000667:Ampicillin; D009113:Muramidase; D010400:Penicillin G