title: Penicillin-screened auxotrophic mutations in Salmonella typhimurium and their relation to x-ray dosage.
authors.forename: H H
authors.initials: HH
authors.lastname: PLOUGH
authors.forename: H N
authors.initials: HN
authors.lastname: YOUNG
authors.forename: M R
authors.initials: MR
authors.lastname: GRIMM
mesh_terms: D009154:Mutation; D010406:Penicillins; D012486:Salmonella typhimurium; D014965:X-Rays
chemical_list: D010406:Penicillins