(Pedersen) Research Fellow, Department of Surgical Gastroenterology, Hvidovre University Hospital.
(Rung) Associate Professor of Anesthesiology, Pennsylvania State University.
(Kehlet) Professor of Surgical Gastroenterology, Hvidovre University Hospital.
Received from the Department of Surgical Gastroenterology, Hvidovre University Hospital, Hvidovre, Denmark; the Department of Anesthesiology, Pennsylvania State University, Hershey, Pennsylvania; and the Danish Pain Research Center, Aarhus University Hospital, Aarhus, Denmark. Submitted for publication July 5, 1996. Accepted for publication October 9, 1996. Work was done in the Department of Surgical Gastroenterology, Hvidovre University Hospital. Presented at the World Congress on Pain, Vancouver, Canada, August 1996. The study was supported by grants from The John and Birte Meyer Foundation, P.A. Messerschmidt and Wife's Foundation, and the Danish Pain Research Center.
Address reprint requests to Dr. Pedersen: Department of Surgical Gastroenterology, Hvidovre University Hospital, Kettegaard Alle 30, 2650 Hvidovre, Denmark. Address electronic mail to: juri@post2.tele.dk.