Figure 1From: Rationale and design of a randomized controlled trial of varenicline directly observed therapy delivered in methadone clinicsExample mDOT varenicline pill trays. A. Methadone clinic visits 3 days per week. B. Methadone clinic visits 6 days per week. This figure illustrates mDOT varenicline pill box labels indicating observed and take-home varenicline doses, according to subjects’ methadone clinic schedule.Back to article page