Popandopulo AG, Petrova MV. Examination of Physical Properties and Morphological Characteristics of Cell-Free Matrix of Vascular-Valve Bioprosthesis. Probl Cryobiol Cryomed [Internet]. 2013Sep.30 [cited 2026Apr.13];23(3):275-8. Available from: http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/305