title: The biological assay of penicillin by a modified plate method.
authors.forename: K A
authors.initials: KA
authors.lastname: BROWNLEE
authors.forename: P K
authors.initials: PK
authors.lastname: LORAINE
authors.forename: J
authors.initials: J
authors.lastname: STEPHENS
mesh_terms: D001681:Biological Assay; D001860:Bone Plates; D010406:Penicillins; D012015:Reference Standards
chemical_list: D010406:Penicillins
keywords: PENICILLIN/standardization