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2. Management of cancer pain;Cleeland;Clin Cancer Briefs,1985
3. The treatment of cancer pain;Foley;N Engl J Med,1985
4. Pain management in advanced cancer;Levy;Semin Oncol,1985
5. Palliative care in a cancer center: results in 1984 versus 1987;Bruera;J Pain Symptom Manage,1990