Randomised trial of polytetrafluoroethylene patch insertion for recurrent great saphenous varicose veins.
Eur J Vasc Endovasc Surg. 2007 Sep;34(3):367-73. doi: 10.1016/j.ejvs.2007.03.019. Epub 2007 May 23.
Eur J Vasc Endovasc Surg. 2007.
PMID: 17512226
Clinical Trial.