South African guideline for the use of chronic opioid therapy for chronic non-cancer pain.Published in:SAMJ: South African Medical Journal, 2014, v. 1, n. 1, p. 79, doi. 10.7196/SAMJ.7316By:Raff, M.;Crosier, J.;Eppel, S.;Meyer, H.;Sarembock, B.;Webb, D.Publication type:Article