title: Report relating to the assays of penicillin carried out at the laboratories of Charles Pfizer & Co., Brooklyn.
authors.forename: J R
authors.initials: JR
authors.lastname: McMAHAN
mesh_terms: D001681:Biological Assay; D007753:Laboratories; D010406:Penicillins; D012015:Reference Standards
chemical_list: D010406:Penicillins