Raeburn Christopher D, Zimmerman Michael A, Arya Jyoti, Banerjee Anirban, Harken Alden H
Department of Surgery, University of Colorado Health Sciences Center, Denver 80262, USA.
J Am Coll Surg. 2002 Nov;195(5):686-93. doi: 10.1016/s1072-7515(02)01309-1.