CotinineTobacco Smoke PollutionNicotineSmokingSalivaPyrrolidinonesNitrosaminesGanglionic StimulantsNicotinic AgonistsBiological MarkersTarsEnvironmental ExposureTobacco Use DisorderSmoking CessationSelf DisclosureAryl Hydrocarbon HydroxylasesAnabasineCarbon MonoxideGlucuronidesMaternal ExposureMeconiumTobacco Use Cessation ProductsTandem Mass SpectrometryChromatography, LiquidGlucuronates