title: Changing views of the hazards of recombinant DNA manipulation and the regulation of these procedures.
mesh_terms: D000056:Accident Prevention; D010582:Bacteriophage lambda; D003001:Cloning, Molecular; D004274:DNA, Recombinant / Q000592:standards*; D004275:DNA, Ribosomal / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics; D005818:Genetic Engineering; D006801:Humans; D009316:National Institutes of Health (U.S.); D010957:Plasmids; D012449:Safety; D014481:United States
chemical_list: D004274:DNA, Recombinant; D004275:DNA, Ribosomal