L.A. BALYKOVA1, S.A. IVYANSKIY1, Yu.O. SOLDATOV2, A.A. SHIROKOVA1, N.V. SHCHЕKINA2, A.N. URZYAEVA1 1Medical Institute of Mordovia State University, 26a Ulyanov St., Saransk, Russian Federation, 430032 2Mordovia Republican Clinical Children’s’ Hospital, 15 Rosa Luxemburg St., Saransk, Russian Federation, 430032 Balykova L.A. — D. Med. Sc., Professor, Head of the Department of Pediatrics, tel. (8342) 32-19-83, e-mail: […]