Role of Folic Acid, Vitamin D, and Progesterone in Pregnancy and Threatened Abortion. University of Thi-Qar Journal of Science, [S. l.], v. 10, n. 2, p. 27–32, 2023. DOI: 10.32792/utq/utjsci/v10i2.1066. Disponível em: http://mail.jsci.utq.edu.iq/index.php/main/article/view/1066.. Acesso em: 25 dec. 2024.