title: The assay of penicillin by the dilution method.
authors.forename: C G
authors.initials: CG
authors.lastname: POPE
authors.forename: M F
authors.initials: MF
authors.lastname: STEVENS
mesh_terms: D001681:Biological Assay; D007201:Indicator Dilution Techniques; D010406:Penicillins; D012015:Reference Standards
chemical_list: D010406:Penicillins