1. Ferrante FM, Vadebonconer TR. Postoperative Pain Management. 2nd ed. New York: Churchill Livingstone Inc.; 1993. pp. 485-518
2. Carr DB, Goudas IC. Acute pain. Lancet. 1999;353:2051
3. Basbaum AI, Jessel T. The perception of pain. In: Kandel ER, Schwartz J, Jessel T, editors. Principles of Neuroscience. New York: Appleton and Lange; 2000. p. 472
4. Craig AD, Bushnell MC, Zhang ET, Blomqvist A. A thalamic nucleus specific for pain and temperature sensation. Nature. 1994;372:770-773
5. Gerbershagen HJ, Aduckathil S, van Wijck AJM, Peelen LM, Kalkman CJ, Meissner W. Painintensityon the first day after surgery:A prospective cohort study comparing 179 surgical procedures. Anesthesiology. 2013;118(4):934-944