De facto long-term opioid therapy for noncancer pain.
Von Korff M, Saunders K, Thomas Ray G, Boudreau D, Campbell C, Merrill J, Sullivan MD, Rutter CM, Silverberg MJ, Banta-Green C, Weisner C.
Von Korff M, et al. Among authors: silverberg mj.
Clin J Pain. 2008 Jul-Aug;24(6):521-7. doi: 10.1097/AJP.0b013e318169d03b.
Clin J Pain. 2008.
PMID: 18574361
Free PMC article.