I.A. APHANASYEV, N.M. NIKITINA, A.P. REBROV Saratov State Medical University named after V.I. Razumovskiy, 112 Bolshaya Kazachya St., Saratov, Russian Federation 410012 Aphanasyev I.A. — postgraduate student of the Department of hospital therapy of the medical faculty, tel. (845) 249-14-37, e-mail: [email protected] Nikitina N.M. — D. Med. Sc., Assistant of the Department of hospital therapy […]