Türkçüoğlu, I., Y. Engin Üstün, and Y. Üstün. “Recurrent Placental Abruption With Methylenetetrahydrofolate Reductase C667t Heterozygosity: A Case Report”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 13, no. 3, Dec. 2007, pp. 176-8, https://www.gorm.com.tr/index.php/GORM/article/view/545.