@article{Boyko2020analysis,
author={Boyko, Y.. and Shapovalova, M.. and Shcherbin, A.. and Ugurchieva, K.. and Kashkarova, I..},
title={ANALYSIS OF MATERNAL MORTALITY IN THE RUSSIAN FEDERATION. THE MAIN TRENDS},
journal={CASPIANJOURNALOF MEDICINE AND PHARMACY},
publisher={Astrakhan State Medical University},
year={2020},
pages={8-16},
volume={1},
issue={3-4},
}