TanPD, BarclayJS, BlackhallLJ: Do palliative care clinics screen for substance abuse and diversion? Results of a national survey. J Palliat Med, 2015; 18:752–757.
2.
LevyMH, ChwistekM, MehtaRS: Management of chronic pain in cancer survivors. Cancer J, 2008; 14:401–409.
3.
GlarePA, et al.: Pain in cancer survivors. J Clin Oncol, 2014; 32:1739–1747.
4.
BernaC, KulichRJ, RathmellJP: Tapering long-term opioid therapy in chronic noncancer pain: Evidence and recommendations for everyday practice. Mayo Clin Proc, 2015; 90:828–842.