We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe effects of quality improvement for depression in primary care at nine years: results from a randomized, controlled group-level trial.AuthorsWells KB; Tang L; Miranda J; Benjamin B; Duan N; Sherbourne CDPublicationHealth services research, 2008, Vol 43, Issue 6, p1952ISSN1475-6773Publication typearticleDOI10.1111/j.1475-6773.2008.00871.x