T.A. TRIFONOVA², L.Yu. POPOVA¹, G.D. ALEMANOVA¹, E.V. BOBKOVA¹ ¹Orenburg State Medical University, 6 Sovetskaya St., Orenburg, Russian Federation, 460000 ²Orenburg Regional Clinical Hospital №2, 24 Nevelskaya St., Orenburg, Russian Federation, 460018  Trifonova T.A. — allergologist-immunologist for outpatient consultations of the Regional Children’s Centre of Allergology and Clinical Immunology, tel. +7-950-187-68-37, e-mail: doctrifonova@yandex.ru Popova L.Yu. — […]