1. Silyl-heparin bonding improves the patency and in vivo thromboresistance of carbon- coated polytetrafluoroethylene vascular grafts 
James Laredo, MD, PhD, Lian Xue, MD, PhD, Vicki A. Husak, BS, Joan Ellinger, BS, Gundeep Singh, MD, Paul O. Zamora, PhD, Howard P. Greisler, MD 
Journal of Vascular Surgery 
Volume 39, Issue 5, Pages (May 2004)
DOI: /j.jvs

2. Fig 1
Histologic parameters measured in silyl-heparin and control grafts for both chronic 7-day and 30-day groups are summarized. A, Graft thrombus length. B, Graft average thrombus height. C, Graft thrombus area. D, Maximal height of graft thrombus (n = 5, mean ± SD, P = by Wilcoxon rank sum test).
Journal of Vascular Surgery  , DOI: ( /j.jvs )

3. Fig 2
The percentage of silyl-heparin and control graft length free of thrombus is shown for both 7-day and 30-day groups of dogs (n = 5, mean ± SD, P = by Wilcoxon rank sum test).
Journal of Vascular Surgery  , DOI: ( /j.jvs )