title: A METHOD FOR QUANITATIVE DETERMINATION OF THE RATES OF BACTERIAL AUXOTROPH MUTATIONS.
mesh_terms: D006133:Growth Substances; D009154:Mutation; D010406:Penicillins; D012106:Research; D012486:Salmonella typhimurium
chemical_list: D006133:Growth Substances; D010406:Penicillins
keywords: EXPERIMENTAL LAB STUDY; GROWTH SUBSTANCES; MUTATION; PENICILLIN; SALMONELLA TYPHIMURIUM