1. Patterns of postoperative analgesic use with adults and children following cardiac surgery;Beyer;Pain,1983
2. Pain research and therapy: Past and current status and future needs;Bonica,1980
3. Chronic pain in terminal illness;Brandt;JAMA,1984
4. Pain measurement: An overview;Chapman;Pain,1985
5. The knowledge, attitudes and experiences of medical personnel treating pain in the terminally ill;Charap;Mount Sinai J Medicine,1978