title: The agar cup method for the estimation of penicillin.
authors.forename: J
authors.initials: J
authors.lastname: VESTERDAL
mesh_terms: D000362:Agar; D010406:Penicillins / Q000032:analysis*; D012044:Regression Analysis
chemical_list: D010406:Penicillins; D000362:Agar
keywords: PENICILLIN/determination