Clinical efficacy of complex antioxidant therapy for pelvic varicose veins in women: A prospective non-randomized controlled study oleh Dmitry A. Stupin, Lyubov I. Kolesnikova, Andrey A. Semendyaev, Marina A. Darenskaya, Daria V. Tukhieva, Ekaterina S. Bystrova, Ksenia V. Kuryshova, Aleksandr I. Gus