Key points are not available for this paper at this time.
aDepartment of Surgery, Stanford University, Stanford, CA USA FACS *Correspondence address: Thomas M Krummel, MD, FACS, Department of Surgery, 300 Pasteur Drive, H3680, Stanford, CA 94305-5655 Received August 17, 2000; Revised November 9, 2000; Accepted November 10, 2000. Presented at the American College of Surgeons 86th Annual Clinical Congress, Chicago, IL, October 2000. No competing interests declared.
Meier et al. (Thu,) studied this question.