FIRDANISA, Afkara Husna; ANGGRAINI, Fika Tri; UTAMA, Bobby Indra. Differences in Levels of 25-hydroxyvitamin D, Human Chorionic Gonadotropin (hCG), and Progesterone in Normal Pregnancy and First Trimester Abortion. Majalah Kedokteran Andalas, [S. l.], v. 45, n. 4, p. 531–537, 2022. DOI: 10.25077/mka.v45.i4.p531-537.2022. Disponível em: https://jurnalmka.fk.unand.ac.id/index.php/art/article/view/1038. Acesso em: 25 oct. 2026.