Multidisciplinary care for opioid dose reduction in patients with chronic non-cancer pain: A systematic realist review. oleh Abhimanyu Sud, Alana Armas, Heather Cunningham, Shawn Tracy, Kirk Foat, Navindra Persaud, Fardous Hosseiny, Sylvia Hyland, Leyna Lowe, Erin Zlahtic, Rhea Murti, Hannah Derue, Ilana Birnbaum, Katija Bonin, Ross Upshur, Michelle L A Nelson