Çevik, S. A., and M. Başer. “Causes of Abortion in Pregnant Women Applying With Vaginal Bleeding and Pain: Fetal- Maternal causes<p≫Vajinal Kanama Ve ağrı yakınması Ile başvuran Gebelerin düşük Yapma Nedenleri: Fetal-Maternal Nedenler”. Journal of Human Sciences, vol. 10, no. 1, May 2013, pp. 1332-41, https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/2056.