title: Determination of metformin in plasma therapeutic levels by gas--liquid chromatography using a nitrogen detector.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D002853:Chromatography, Liquid; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008687:Metformin / Q000097:blood*; D009584:Nitrogen
chemical_list: D008687:Metformin; D009584:Nitrogen