Макаров, Денис Николаевич, and Елена Михайловна Васильченко. “ASSOCIATION BETWEEN IT-HOSPITAL MORTALITY AND NON-SURGICAL COMPLICATIONS AFTER OPERATION IN LOWER LIMB AMPUTATION DUE TO PERIPHERAL ARTERY DISEASE”. Medicine in Kuzbass, vol. 17, no. 3, Aug. 2018, pp. 14-18, https://www.mednauki.ru/index.php/MK/article/view/260.