Disseminating contingency management to increase attendance in two community substance abuse treatment centers: lessons learned.
Walker R, Rosvall T, Field CA, Allen S, McDonald D, Salim Z, Ridley N, Adinoff B. Disseminating contingency management to increase attendance in two community substance abuse treatment centers: lessons learned. J Subst Abuse Treat. 2010 Oct; 39(3):202-9.