title: The penicillin method of mutant selection.
authors.affiliation: Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115.
authors.forename: B D
authors.initials: BD
authors.lastname: Davis
mesh_terms: D003470:Culture Media / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects / Q000235:genetics / Q000528:radiation effects; D049673:History, 20th Century; D008967:Molecular Biology / Q000266:history*; D016296:Mutagenesis; D010406:Penicillins / Q000494:pharmacology*; D012641:Selection, Genetic; D013307:Streptomycin / Q000494:pharmacology
chemical_list: D003470:Culture Media; D010406:Penicillins; D013307:Streptomycin