130
Participants
Start Date
January 31, 2007
Primary Completion Date
February 28, 2009
Study Completion Date
February 28, 2009
Nicotine gum and lozenge
Nicotine replacement
Taboka
smokeless tobacco product
Camel Snus
smokeless tobacco product
Tobacco Use Research Center, Minneapolis
National Cancer Institute (NCI)
NIH
National Institute on Drug Abuse (NIDA)
NIH
University of Minnesota
OTHER