title: Measurement of nitrite and nitrate levels in plasma and urine--what does this measure tell us about the activity of the endogenous nitric oxide system?
authors.forename: C
authors.initials: C
authors.lastname: Baylis
authors.forename: P
authors.initials: P
authors.lastname: Vallance
mesh_terms: D000818:Animals; D006801:Humans; D009566:Nitrates / Q000032:analysis* / Q000097:blood / Q000652:urine; D009569:Nitric Oxide / Q000502:physiology*; D009573:Nitrites / Q000032:analysis* / Q000097:blood / Q000652:urine
chemical_list: D009566:Nitrates; D009573:Nitrites; D009569:Nitric Oxide