4Schrijvers D. Pain control in cancer: recent findings and trends[J]. Ann Oncol, 2007, 18(9) : 37 -42.
5NCCN Guidelines Version 2. 2012 Adult Cancer Pain[ S]. 2012.
6Hill CS Jr. The barriers to adequate pain management with opioid analgesics [ J]. Semin Oncol, 1993, 20:1 -5.
7Juver JP, Vereosa N. Depression in patients with advanced cancer and pain [ J ]. Rev Bras Anestesiol, 2008, 58:287 -298.
8Kravitz RL, Tancredi D J, Street RL, et al. Cancer Health Empowerment for Living without Pain ( Ca - HELP) : study design and rationale for a tailored education and coaching intervention to enhance care of cancer -related pain[ J]. BMC Cance, 2009, 9:319-328.
