246
Participants
Start Date
July 31, 2007
Primary Completion Date
May 31, 2013
Study Completion Date
June 30, 2013
Quest
Participants smoke Quest cigarettes level 1 for 10 days, level 2 for 10 days, level 3 for 10 days.
Tobacco Use Research Center, UPenn, Philadelphia
National Institutes of Health (NIH)
NIH
University of Pennsylvania
OTHER