title: On penicillin inactivators and susceptibility of micro-organisms to penicillin.
authors.forename: J W
authors.initials: JW
authors.lastname: CZEKALOWSKI
mesh_terms: D004198:Disease Susceptibility; D010405:Penicillinase; D010406:Penicillins
chemical_list: D010406:Penicillins; D010405:Penicillinase