Motivational Interviewing for encouraging quit attempts among unmotivated smokers: study protocol of a randomized, controlled, efficacy trial
Delwyn Catley*, Kari J Harris, Kathy Goggin, Kimber Richter, Karen Williams, Christi Patten, Ken Resnicow, Edward Ellerbeck, Andrea Bradley-Ewing, Domonique Malomo and Robin Liston