title: The preparation of radioactive morphine and related alkaloids by biosynthesis.
authors.forename: B J
authors.initials: BJ
authors.lastname: McINTOSH
authors.forename: F E
authors.initials: FE
authors.lastname: KELSEY
authors.forename: E M K
authors.initials: EM
authors.lastname: GEILING
mesh_terms: D000470:Alkaloids; D009020:Morphine; D011851:Radioactivity
chemical_list: D000470:Alkaloids; D009020:Morphine