CotinineSalivaTobacco Smoke PollutionNicotineSmokingSaliva, ArtificialSalivary Proteins and PeptidesPyrrolidinonesNitrosaminesBiological MarkersGanglionic StimulantsNicotinic AgonistsSalivationTarsEnvironmental ExposureTobacco Use DisorderParotid GlandSmoking CessationSelf DisclosureAryl Hydrocarbon HydroxylasesAnabasineCarbon MonoxideTandem Mass SpectrometryGlucuronidesChromatography, LiquidSalivary GlandsMaternal ExposureMeconiumTobacco Use Cessation ProductsGas Chromatography-Mass SpectrometryGlucuronates