TY JOUR TI Analysis of publication activity about the role of folic acid deficiency and hyperhomocysteinemia in the mechanism of miscarriage KW folic acid KW pregnancy KW hyperhomocysteinemia KW homocysteine KW miscarriage JO Journal of Natural Sciences Research AU Chagina, E.A. AU Kurashevskaya, A.O. AU Danilenko, D.D. PY 2025 IS 10 PB INFRA-M Academic Publishing LLC.