title: Changes in the NIH guidelines for recombinant DNA research (Appendix 1: January to May, 1979).
mesh_terms: D000818:Animals; D001412:Bacillus subtilis; D003001:Cloning, Molecular; D003264:Containment of Biohazards; D004274:DNA, Recombinant; D004926:Escherichia coli; D007448:Invertebrates; D009316:National Institutes of Health (U.S.); D009492:Neurospora crassa; D012441:Saccharomyces cerevisiae; D014481:United States
chemical_list: D004274:DNA, Recombinant