We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleComparison of extended versus brief treatments for marijuana use.AuthorsStephens, Robert S.; Roffman, Roger A.; Curtin, LisaPublicationJournal of Consulting and Clinical Psychology, 2000, Vol 68, Issue 5, p898ISSN0022-006XDOI10.1037/0022-006x.68.5.898