title: Problems and concerns of patients receiving chronic opioid therapy for chronic non-cancer pain.
authors.affiliation: Department of Psychiatry & Behavioral Sciences, University of Washington School of Medicine, Seattle, WA, USA Group Health Research Institute, Group Health, Seattle, WA, USA Alcohol and Drug Abuse Institute, University of Washington School of Medicine, Seattle, WA, USA Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA.
authors.forename: Mark D
authors.initials: MD
authors.lastname: Sullivan
authors.forename: Michael
authors.initials: M
authors.lastname: Von Korff
authors.forename: Caleb
authors.initials: C
authors.lastname: Banta-Green
authors.forename: Joseph O
authors.initials: JO
authors.lastname: Merrill
authors.forename: Kathleen
authors.initials: K
authors.lastname: Saunders