title: Demethylation of nicotine and cotinine in pigs.
mesh_terms: D000818:Animals; D002855:Chromatography, Thin Layer; D013058:Mass Spectrometry; D008745:Methylation; D009538:Nicotine / Q000378:metabolism* / Q000652:urine; D011725:Pyridines / Q000378:metabolism / Q000652:urine; D011760:Pyrrolidinones / Q000378:metabolism* / Q000652:urine; D013552:Swine
chemical_list: D011725:Pyridines; D011760:Pyrrolidinones; D009538:Nicotine