WIRMAN, R. M., & WIKNJOSASTRO, G. H. (2016). Korelasi kadar endothelin-1 darah tali pusat dan kerusakan vaskular plasenta pada pertumbuhan janin terhambat. Indonesian Journal of Obstetrics and Gynecology, 32(3). Retrieved from https://www.inajog.com/index.php/journal/article/view/158