title: On the importance of the use of proper approaches for comparison of analytical methods for serum nitrate and for evaluation of reference concentrations.
authors.forename: Dimitrios
authors.initials: D
authors.lastname: Tsikas
authors.forename: Jens M
authors.initials: JM
authors.lastname: Hohlfeld
mesh_terms: D053000:Analytic Sample Preparation Methods / Q000592:standards*; D000818:Animals; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D051379:Mice; D009566:Nitrates / Q000097:blood*; D009569:Nitric Oxide / Q000378:metabolism; D012016:Reference Values; D012044:Regression Analysis; D012907:Smoking / Q000097:blood
chemical_list: D009566:Nitrates; D009569:Nitric Oxide