I.YU. NIKULIN1, A.E. BAGRIY2, E.S. MIKHAILICHENKO2, E.A. PYLAEVA2, YA.A. SOVPEL2  1Donetsk Clinical Territorial Medical Association, Donetsk, Donetsk People’s Republic 2M. Gorky Donetsk State Medical University, Donetsk, Donetsk People’s Republic Contact details: Mykhailichenko E.S. — Ph. D. (Medicine), Assistant Professor of the Department of Internal Diseases No. 2 Address: 16 prospekt Ilyicha, Donetsk, Donetsk People’s Republic, Russian […]