title: NIH director unlikely to grant exemption from controls for DNA experiments.
mesh_terms: D003264:Containment of Biohazards / Q000592:standards*; D004274:DNA, Recombinant; D033161:Government Regulation; D009316:National Institutes of Health (U.S.); D014481:United States
chemical_list: D004274:DNA, Recombinant