We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe PHQ-9 as a brief assessment of lifetime major depression.AuthorsCannon, Dale S.; Tiffany, Stephen T.; Coon, Hilary; Scholand, Mary Beth; McMahon, William M.; Leppert, Mark F.PublicationPsychological Assessment, 2007, Vol 19, Issue 2, p247ISSN1040-3590Publication typearticleDOI10.1037/1040-3590.19.2.247