PhenX Toolkit. (2026 January 27).
Nicotine Content.
https://www.phenxtoolkit.org/protocols/view/730301 PhenX Toolkit. (2026 January 27).
Physical Properties of Tobacco Products - Cigarettes and Filtered Cigars.
https://www.phenxtoolkit.org/protocols/view/730501 PhenX Toolkit. (2026 January 27).
Physical Properties of Tobacco Products - Smokeless Tobacco.
https://www.phenxtoolkit.org/protocols/view/730502 PhenX Toolkit. (2026 January 27).
Tobacco Brand and Variety - Smokeless Tobacco.
https://www.phenxtoolkit.org/protocols/view/730704 PhenX Toolkit. (2026 January 27).
Tobacco Warning Label Exposure and Recall.
https://www.phenxtoolkit.org/protocols/view/730902 PhenX Toolkit. (2026 January 27).
Passive Exposures to Tobacco Products.
https://www.phenxtoolkit.org/protocols/view/730402 PhenX Toolkit. (2026 January 27).
Tobacco Brand and Variety - Cigars.
https://www.phenxtoolkit.org/protocols/view/730707 PhenX Toolkit. (2026 January 27).
Tobacco Brand and Variety - Cigarettes.
https://www.phenxtoolkit.org/protocols/view/730708 PhenX Toolkit. (2026 January 27).
Amount, Type, and Frequency of Recent Use of Nicotine Products.
https://www.phenxtoolkit.org/protocols/view/720101 PhenX Toolkit. (2026 January 27).
Expired Carbon Monoxide.
https://www.phenxtoolkit.org/protocols/view/720301 PhenX Toolkit. (2026 January 27).
Cue Reactions to Tobacco Stimuli.
https://www.phenxtoolkit.org/protocols/view/720501 PhenX Toolkit. (2026 January 27).
Withdrawal from Tobacco Use.
https://www.phenxtoolkit.org/protocols/view/721001 PhenX Toolkit. (2026 January 27).
Pregnancy Status and Tobacco Use.
https://www.phenxtoolkit.org/protocols/view/720802 PhenX Toolkit. (2026 January 27).
Flavor Preference - Electronic Nicotine Products - Adults.
https://www.phenxtoolkit.org/protocols/view/720603 PhenX Toolkit. (2026 January 27).
Flavor Preference - electronic nicotine products - Youth.
https://www.phenxtoolkit.org/protocols/view/720604 PhenX Toolkit. (2026 January 27).
Mother and Baby Health.
https://www.phenxtoolkit.org/protocols/view/720902 PhenX Toolkit. (2026 January 27).
Biomarker of exposure to nicotine-containing products - Urine.
https://www.phenxtoolkit.org/protocols/view/91707 PhenX Toolkit. (2026 January 27).
Biomarker of exposure to nicotine-containing products - Saliva.
https://www.phenxtoolkit.org/protocols/view/91708 PhenX Toolkit. (2026 January 27).
Biomarker of exposure to nicotine-containing products - Serum.
https://www.phenxtoolkit.org/protocols/view/91709 PhenX Toolkit. (2026 January 27).
NNAL in Urine.
https://www.phenxtoolkit.org/protocols/view/720403