TY JOUR TI Premenstrual syndrom: etiology and pathogenesis. Psychological aspects. KW premenstrual syndrome KW PMS KW menstrual cycle KW premenstrual dysphoric disorder KW psychology KW gynecology KW depression JO Journal of Natural Sciences Research AU Hoperskaya, O.V. AU Kudashova, E.A. AU Enkova, E.V. AU Merkulova, A.Y. PY 2024 IS 9 PB INFRA-M Academic Publishing LLC.