title: Titrating exposure to tobacco smoke using cotinine--a minefield of misunderstandings.
authors.affiliation: Department of Pharmacological Sciences, Medical School, University of Newcastle upon Tyne, England.
authors.forename: J R
authors.initials: JR
authors.lastname: Idle
mesh_terms: D003367:Cotinine / Q000032:analysis* / Q000378:metabolism / Q000652:urine; D006801:Humans; D009538:Nicotine / Q000493:pharmacokinetics*; D011760:Pyrrolidinones / Q000032:analysis*; D012463:Saliva / Q000032:analysis*; D012907:Smoking; D014028:Tobacco Smoke Pollution
chemical_list: D011760:Pyrrolidinones; D014028:Tobacco Smoke Pollution; D009538:Nicotine; D003367:Cotinine