title: Penicillinase distribution in Escherichia coli cells.
mesh_terms: D000941:Antigens / Q000032:analysis; D004926:Escherichia coli / Q000166:cytology / Q000201:enzymology*; D007122:Immunoelectrophoresis; D010405:Penicillinase / Q000032:analysis*
chemical_list: D000941:Antigens; D010405:Penicillinase