E.M. Kostina, B.A. Molotilov Penza Physicians’ Continuing Education Institute of the Ministry of Health of the Russian Federation, 8A Stasova Str., Penza, Russian Federation, 440060  Kostina E.M. ― D. Med. Sc., Professor of the Department of Allergology and Immunology, tel. +7-905-367-58-14, е-mail: elena-kostina-br@rambler.ru Molotilov B.A. ― D. Med. Sc., Professor, Head of the Department of […]