“DOPPLEROGRAPHY OF UTERO-PLACENTAL AND FETO-PLACENTAL BLOOD CIRCULATION IN THE CASE OF PLACENTAL INSUFFICIENCY”, J. V. N. Karazin Khark. Nat. Univ., Ser. Med., no. 12, pp. 6–10, Jul. 2015, Accessed: Oct. 25, 2026. Available: https://periodicals.karazin.ua/medicine/article/view/7095