Княжев, В., and Н. Манолов. 2007. “Аutogenous Vein or Graft Used Simultaneously for Both a Femoro-Popliteal By-Pass and Profundoplasty”. Bulletin of the International Scientific Surgical Association 2 (2-3), 65-67. http://surgjournal.ru/index.php/BISSA/article/view/209.