title: New rulebook for gene splicers faces one more test.
mesh_terms: D004274:DNA, Recombinant / Q000592:standards*; D004279:DNA, Viral / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics / Q000472:pathogenicity; D035082:Federal Government; D033161:Government Regulation; D009316:National Institutes of Health (U.S.); D012107:Research Design / Q000592:standards; D018570:Risk Assessment; D014481:United States; D014483:United States Dept. of Health and Human Services
chemical_list: D004274:DNA, Recombinant; D004279:DNA, Viral