М.М. GURОVA1, 2, 3, L.I. FETISOVA2, L.V. RUZHITSKAYA2, L.M. PETROVA4, G.D. SEMENOVA4 1 Laboratory “Medical and social problems in pediatrics” of the National Research Center “St. Petersburg State Pediatric University”, 2 Litovskaya St., St. Petersburg, Russian Federation 194100 2 Belgorod State National Research University, 85 Pobedy St., Belgorod, Russian Federation 308015 3 Clinical and Diagnostic […]