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Birth rate, perinatal mortality and infant mortality in Ukr..:

O.P. Volosovets ; А.E. Abaturov ; G.V. Beketova...
https://childshealth.zaslavsky.com.ua/index.php/journal/article/view/1535.  , 2022
Link: https://doi.org/10.22141/2224-0551.17.7.2022.1535