207
Participants
Start Date
September 30, 2013
Primary Completion Date
November 30, 2015
Study Completion Date
December 2, 2015
Low nicotine cigarettes
15-day period of smoking low nicotine content cigarette level 1: 0.25 mg nicotine content, followed by a 15-day period of smoking low nicotine content cigarette level 2: 0.08 mg nicotine content.
University of Pennsylvania, Philadelphia
University of Pennsylvania
OTHER