Havenga Klaas, Morks Annelien N
Division of Abdominal Surgery, Department of Surgery, University of Groningen, University Medical Center Groningen, PO box 30001, 9700 RB, Groningen, The Netherlands,
Int J Colorectal Dis. 2014 Oct;29(10):1311. doi: 10.1007/s00384-014-1898-7.