1. Pain as a manifestation of cancer treatment;Chapman,1985
2. The management of new pain in office-based ambulatory care. National and ambulatory medical care survey;Knapp,1984
3. Post-operative pain;Bonica,1980
4. Principles and practice of obstetric analgesia and anesthesia;Bonica,1967-1968-1969
5. Neurological concepts of pain, its assessment and therapy;Zimmerman,1984