[1]
A. H. Firdanisa, F. T. Anggraini, and B. I. Utama, “Differences in Levels of 25-hydroxyvitamin D, Human Chorionic Gonadotropin (hCG), and Progesterone in Normal Pregnancy and First Trimester Abortion”, Maj Kedokt Andalas, vol. 45, no. 4, pp. 531–537, Oct. 2022.