De facto long-term opioid therapy for noncancer pain (2008)

Michael Von Korff, Michael Von Korff, Kathleen Saunders, Gary Thomas Ray, Denise Boudreau, Cynthia Campbell, Joseph Merrill, Mark D Sullivan, Carolyn M Rutter, Michael J Silverberg, Caleb Banta-Green, Constance Weisner

PubMed: 18574361  DOI: 10.1097/AJP.0b013e318169d03b