1. Glutaraldehyde-tanned human umbilical cord veins for femoropopliteal bypass;Boontje;Vasc Surg,1981
2. The Biograft for femoropopliteal bypass;Boontje;J Cardiovasc Surg,1983
3. Morphologic and biophysical assessment of long-term human umbilical cord vein implants used as vascular conduits;Dardik;Surg Gynecol Obster,1982
4. Aneurysm formation in human umbilical vein grafts;Giordano;Surgery,1982
5. Biodegradation and aneurysm formation in umbilical vein grafts;Dardik;Ann Surg,1984