Thrombus-free, human endothelial surface in the midregion of a Dacron vascular graft in the splanchnic venous circuit: Observations after nine months of implantation - Park, P K; Jarrell, B E; Williams, S K; Carter, T L; Rose, D G; Martinez-Heman-dez, A; Carabasi, III R A (J Vase Surg, 1990)