For citations:
Sergeeva A.V., Kovalishena O.V., Katkova N.Yu., Polyakova A.A. Epidemiological Characteristics of perinatal, early neonatal Mortality and Stillbirth in the Territory of the Nizhny Novgorod region. Epidemiology and Vaccinal Prevention. 2019;18(6):53-59. (In Russ.) https://doi.org/10.31631/2073-3046-2019-18-6-53-59