1. Cancer pain: a major national health problem;Bonica;Cancer Nurs,1978
2. Undertreatment of medical inpatients with narcotic analgesics;Marks;Ann Intern Med,1973
3. Public attitudes toward cancer pain;Levin;Cancer,1985
4. Attitudes of patients, housestaff, and nurses toward postoperative analgesic care;Weiss;Anesth Analg,1983
5. The knowledge, attitudes, and experience of medical personnel treating pain in the terminally ill;Charap;Mt Sinai J Med,1978