Characterization of Biomarkers of Tobacco Exposure, Urge-to-Smoke Following Exclusive and Dual Ad Lib Use of Electronic Cigarettes
Conditions
Interventions
- OTHER: Exclusive blu™ e-cigarette A1
- OTHER: Exclusive blu™ e-cigarette A2
- OTHER: Exclusive blu™ e-cigarette A3
- OTHER: Dual blu™ e-cigarette and usual brand B1
- OTHER: Dual blu™ e-cigarette and usual brand B2
- OTHER: Dual blu™ e-cigarette and usual brand B3
- OTHER: Nicotine product cessation C
Sponsor
Lorillard Tobacco Company
Collaborators