M.A. MELNIKOVA¹, V.I. RUZOV², R.KH. GIMAEV², A.M. VOROBEV³, A.M. IBRAHIM²  ¹City Polyclinic no. 5, Ulyanovsk ²Ulyanovsk State University, Ulyanovsk ³Central City Clinical Hospital, Ulyanovsk  Contact details: Melnikova M.A. — PhD (medicine), Head of the Department of Radiation Diagnostics, ultrasound diagnostics doctor Address: 11 Prospekt Sozidateley, Ulyanovsk, Russian Federation, 432067, tel.: +7-927-810-69-97, e-mail: maschulka1@rambler.ru The purpose — […]