Assess Biomarkers of Tobacco Exposure and Nicotine Pharmacokinetics in Smokers After a 5-Day In-Clinic Confinement Switch to an Electronic Cigarette or Nicotine Gum

Conditions

• Smoking

Interventions

• OTHER: Usual Brand Cigarette
• OTHER: Electronic Cigarette #1
• OTHER: Electronic Cigarette #2
• OTHER: Leading U.S. Nicotine Gum

Sponsor

R.J. Reynolds Vapor Company

Collaborators

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