title: Simplified method for the determination of plasma cotinine using gas chromatography-mass spectrometry.
mesh_terms: D003367:Cotinine / Q000097:blood*; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D011760:Pyrrolidinones / Q000097:blood*; D012907:Smoking
chemical_list: D011760:Pyrrolidinones; D003367:Cotinine