Influence of γ-Radiation on Mechanical Stability to Cyclic Loads Tubular Elastic Matrix of the Aorta oleh Alexander Yu. Gorodkov, Yuriy M. Tsygankov, Alexey D. Shepelev, Sergey V. Krasheninnikov, Shota T. Zhorzholiani, Andrey V. Agafonov, Vissarion G. Mamagulashvili, Dmitriy V. Savinov, Timur Kh. Tenchurin, Sergey N. Chvalun