CotinineTobacco Smoke PollutionNicotineSmokingSalivaPyrrolidinonesNitrosaminesGanglionic StimulantsNicotinic AgonistsBiological MarkersTarsEnvironmental ExposureTobacco Use DisorderSmoking CessationAryl Hydrocarbon HydroxylasesSelf DisclosureAnabasineGlucuronidesCarbon MonoxideMaternal ExposureTandem Mass SpectrometryMeconiumTobacco Use Cessation ProductsChromatography, LiquidGlucuronates