Margot A Reidel, Hanns-Peter Knaebel, Christoph M Seiler, Christine Knauer, Johann Motsch, Norbert Victor and Markus W Büchler*
* Corresponding author: Markus W Büchler Markus_Buechler@med.uni-heidelberg.de
BMC Surgery 2003, 3:9 doi:10.1186/1471-2482-3-9