ISSN Print 2500–1094
ISSN Online 2542–1204
BIOMEDICAL JOURNAL OF PIROGOV UNIVERSITY (MOSCOW, RUSSIA)
1 Department of Otolaryngology, Pediatric Faculty,
Pirogov Russian National Research Medical University, Moscow, Russia
2 Morozov Children's Municipal Clinical Hospital, Moscow, Russia
Correspondence should be addressed: Lyubov Malygina
4-y Dobryninskiy per., d. 1/9, Moscow, Russia, 119049; ur.xednay@anigylam.rd