3Hwang S, Chang T, Kasimis B. Dynamic cancer pain management outcomes: the relationship between pain severity pain relief, functional interference, satisfaction and global quality of life over time[ J]. J Plan Symptom Manage,2002,23:190-200.
4Rees E. The role of oral transmucosal fentanyl citrate in the management of breakthrough cancer pain [ J]. lnt J Palliat Nttrs,2002,8 : 304-308
