PhenX Toolkit. (2015).
Amount, Type, and Frequency of Recent Use of Nicotine Products. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720101 PhenX Toolkit. (2015).
Expired Carbon Monoxide. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720301 PhenX Toolkit. (2015).
Cue Reactions to Tobacco Stimuli. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720501 PhenX Toolkit. (2015).
Withdrawal from Tobacco Use. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/721001 PhenX Toolkit. (2023).
Pregnancy Status and Tobacco Use. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720802 PhenX Toolkit. (2023).
Flavor Preference - Electronic Nicotine Products - Adults. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720603 PhenX Toolkit. (2023).
Flavor Preference - electronic nicotine products - Youth. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720604 PhenX Toolkit. (2024).
Mother and Baby Health. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720902 PhenX Toolkit. (2024).
Biomarker of exposure to nicotine-containing products - Urine. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/091707 PhenX Toolkit. (2024).
Biomarker of exposure to nicotine-containing products - Saliva. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/091708 PhenX Toolkit. (2024).
Biomarker of exposure to nicotine-containing products - Serum. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/091709 PhenX Toolkit. (2024).
NNAL in Urine. Retrieved September 12, 2026, from
https://doi.org/10.82568/phenx_toolkit/720403