title: Can 12-step group participation strengthen and extend the benefits of adolescent addiction treatment? A prospective analysis.
authors.affiliation: Center for Addiction Medicine, Department of Psychiatry, Massachusetts General Hospital, and Harvard Medical School, Boston, MA 02114, USA. jkelly11@partners.org
authors.forename: John F
authors.initials: JF
authors.lastname: Kelly
authors.forename: Sarah J
authors.initials: SJ
authors.lastname: Dow
authors.forename: Julie D
authors.initials: JD
authors.lastname: Yeterian
authors.forename: Christopher W
authors.initials: CW
authors.lastname: Kahler