![Smokeless tobacco cessation cluster randomized trial with rural high school males: Intervention interaction with baseline smoking]()
Smokeless tobacco cessation cluster randomized trial with rural high school males: Intervention interaction with baseline smokingWalsh, M. M.; Langer, T. J.; Kavanagh, N.; Mansell, C.; MacDougal, W.; Kavanagh, C.; Gansky, S. A. · Nicotine & Tobacco Research · 2010