Effendi, Y., Safyudin, & Rahmadayanti, A. M. (2017). Hubungan Kejadian Preeklampsia dengan Kadar Serum Β-Human Chorionic Gonadotropin (Β-HCG) Pada Kehamilan Trimester III. Biomedical Journal of Indonesia, 3(2), 67–77. Retrieved from https://bji-fk.ejournal.unsri.ac.id/index.php/bji/article/view/8