PT - JOURNAL ARTICLE AU - Giora Hahn AU - Jose M. Angel AU - Kenneth Niejadlik AU - Adrian Pike AU - David Lustig TI - Beta-Endorphins: Their Role in Chronic Pain AID - 10.1136/rapm-00115550-199722021-00117 DP - 1997 Mar 01 TA - Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control PG - 117--117 VI - 22 IP - Suppl 2 4099 - http://rapm.bmj.com/content/22/Suppl_2/117.short 4100 - http://rapm.bmj.com/content/22/Suppl_2/117.full SO - Reg Anesth Pain Med1997 Mar 01; 22