I.V. NEYPHELD1, I.E. ROGOZHINA1, U.V. STOLYAROVA1, A.V. DANILINA2, I.N. SKUPOVA1, O.V. TIKHANINA1 1Saratov State Medical University named after V.I. Razumovsky, 112 Bolshaya Kazachya St., Saratov, Russian Federation 410012 2Central Scientific-Research Institute of Epidemiology of Rospotrebnadzor, 3a Novogireevskaya St., Moscow, Russian Federation 111123 Neyfeld I.V. — Candidate of Medical Science, associate professor at the Department of Obstetrics […]