Rajuddin, R., Rizia, F., & Nainggolan, S. I. . (2021). Role of C-Reactive Protein, Erythrocyte Sedimentation Rate, Progesterone and Estradiol Hormone Levels in First Trimester Threatened Abortion: Peran C-Reactive Protein, Laju Endap Darah, Progesteron dan Estradiol pada Abortus Imminens Trimester Pertama . Indonesian Journal of Obstetrics and Gynecology, 9(1), 42–48. https://doi.org/10.32771/inajog.v9i1.1386