V. Netyazhenko, T. Malchevska, L. Shkala, N. Kozachyshyn, and N. Altunina, “MRI as an Effective Tool for the Diagnosis and Monitoring of Leffler Endocarditis at the Stages of Longitudinal Observation”, FMEP, no. 1-2, pp. 36–42, Apr. 2022.