%0 Journal Article %T ANALYSIS OF MATERNAL MORTALITY IN THE RUSSIAN FEDERATION. THE MAIN TRENDS %A Boyko, Y.. %A Shapovalova, M.. %A Shcherbin, A.. %A Ugurchieva, K.. %A Kashkarova, I.. %K maternal mortality, maternal mortality rate %J CASPIANJOURNALOF MEDICINE AND PHARMACY %D 2020 %N 1 %P 8 %I Astrakhan State Medical University