We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA validity study of the SSAGA--a comparison with the SCAN.AuthorsHesselbrock, Michie; Easton, CarolinePublicationAddiction, 1999, Vol 94, Issue 9, p1361ISSN0965-2140Publication typearticleDOI10.1046/j.1360-0443.1999.94913618.x