1. Treatment of cancer pain: current status and future needs;Bonica,1985
2. Treatment of cancer pain patients in a multidisciplinary pain clinic;Jorgensen;Pain Clinic,1990
3. The scope of the cancer pain problem;Stjemsward,1990
4. Results of a physician's attitude toward cancer pain management survey by ECOG;Von Roehn;Proc Am Soc Clin Oncol,1991
5. History and organization of the University of Washington Multidisciplinary Pain Center;Loeser,1989