AFTI, Ismi Mulya; ANGGRAINI, Fika Tri; SERUDJI, Joserizal. Differences in Levels of Vitamin D, Human Placenta Lactogen (hPL) and Estradiol in Normal Pregnancy and 1st Trimester Abortion. Majalah Kedokteran Andalas, [S. l.], v. 45, n. 4, p. 524–530, 2022. DOI: 10.25077/mka.v45.i4.p524-530.2022. Disponível em: https://jurnalmka.fk.unand.ac.id/index.php/art/article/view/1037. Acesso em: 25 oct. 2026.