JAYAKUSUMA, A.A. N.; KARKATA, M. K.; DARMAYASA, K.; GUNUNG, K. Perbandingan kadar asam folat pada kehamilan dengan preeklampsia dan kehamilan normal. Indonesian Journal of Obstetrics and Gynecology, [S. l.], v. 31, n. 2, 2016. Disponível em: https://www.inajog.com/index.php/journal/article/view/117. Acesso em: 28 feb. 2026.