Trofimov, N. V., V. P. Kryshen, S. I. Barannik, A. V. Chukhryenko, G. N. Chabanenko, and A. N. Gayterov. “Clinical and Statistical Aspects of Gastrointestinal Bleeding Course in Patients With Cardiovascular System Pathology”. Medicni Perspektivi, vol. 24, no. 1, Apr. 2019, pp. 35-39, doi:10.26641/2307-0404.2019.1.162176.