title: Nitric oxide as an intermediate in denitrification: evidence from nitrogen-13 isotope exchange.
mesh_terms: D007553:Isotope Labeling; D009566:Nitrates / Q000378:metabolism*; D009569:Nitric Oxide / Q000378:metabolism*; D009573:Nitrites / Q000378:metabolism*; D009587:Nitrogen Isotopes; D011549:Pseudomonas / Q000378:metabolism*; D013045:Species Specificity
chemical_list: D009566:Nitrates; D009573:Nitrites; D009587:Nitrogen Isotopes; D009569:Nitric Oxide