Repin, N. V., Marchenko, L. N., Govorukha, T. P., Mikhailova, I. P., Manchenko, A. A. and Sandomirsky, B. P. (2015) “Ultrastructure of Porcine Pericardium and Aortic Valve Tissues, Devitalized with Cryogenic and Irradiation Exposures”, Problems of Cryobiology and Cryomedicine, 25(3), pp. 246–254. doi: 10.15407/cryo25.03.246.