title: Recombinant DNA guidelines for nitrogen fixation in plant sciences.
mesh_terms: D004274:DNA, Recombinant / Q000378:metabolism; D004989:Ethics; D004991:Ethics, Institutional; D009316:National Institutes of Health (U.S.); D009586:Nitrogen Fixation; D010944:Plants / Q000235:genetics*; D011995:Recombination, Genetic; D014481:United States
chemical_list: D004274:DNA, Recombinant