title: Further spread of plasmids among different auxotypes of penicillinase-producing gonococci.
mesh_terms: D009344:Neisseria gonorrhoeae / Q000145:classification / Q000201:enzymology* / Q000235:genetics; D009426:Netherlands; D010405:Penicillinase / Q000096:biosynthesis*; D010957:Plasmids; D001618:beta-Lactamases / Q000096:biosynthesis*
chemical_list: D010405:Penicillinase; D001618:beta-Lactamases