title: Report relating to the assays of penicillin carried out by the United States Food and Drug Administration, Washington, D.C.
authors.forename: R P
authors.initials: RP
authors.lastname: HERWICK
mesh_terms: D001681:Biological Assay; D004219:District of Columbia; D010406:Penicillins; D012015:Reference Standards; D014481:United States; D014486:United States Food and Drug Administration; D014861:Washington
chemical_list: D010406:Penicillins