We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBroad beneficial effects of cocaine abstinence reinforcement among methadone patients.AuthorsSilverman, Kenneth; Wong, Conrad J.; Umbricht-Schneiter, Annie; Montoya, Ivan D.; Schuster, Charles R.; Preston, Kenzie L.PublicationJournal of Consulting and Clinical Psychology, 1998, Vol 66, Issue 5, p811ISSN0022-006xPublication typearticleDOI10.1037/0022-006X.66.5.811