We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCommentary on Alessi & Petry (2013): Cellular phone technology and contingency management.AuthorsKong, GracePublicationAddiction (Abingdon, England), 2013, Vol 108, Issue 5, p910ISSN1360-0443Publication typeJournal ArticleDOI10.1111/add.12133