1. Principles of Analgesic Use in the Treatment of Acute Pain and Chronic Cancer Pain;American Pain Society,1987
2. Coeliac plexus block;Black;Anaesth. Intens. Care,1973
3. Importance of the problem;Bonica,1979
4. Management of upper abdominal cancer pain;Bridenbaugh;JAMA,1964
5. Indomethacin and bone pain;Brodie;Lancet,1974