1. I. G. Dutkevich,Vestn. Khir., No. 8, 40–45 (1961).
2. V. M. Koshkin and V. R. Zimin,Angiol. Sosud. Khir.,7, No. 3, 92–97 (2001).
3. L. N. Sidorenko and Yu. I. Kazakov,Klin. Khir., No. 7, 20–23 (1981).
4. D. Bergqvist and S. Bornmyr,Vasa, No. 15, 241–244 (1986).
5. K. H. M. Haeger and L. Bergman,Angiology, No. 14, 473–479 (1963).