00591naa#a2200205#i#450# EN\INFRA-M\bibl\121 20251230003644.2 1998-071X 20130225b2013####ek#y0engy0150####ca RUS RU Demography and Morbidity in Russian Regions as Indicators of Territories’ Ecological Trouble Journal article Moscow INFRA-M Academic Publishing LLC. 2013 10 с. Journal article local Barabash A. Levich A. Bulgakov N. naukaru.ru