PRASTIWI, Olivia Oktaviani; UTAMA, Bobby Indra. Pengaruh Kadar Vitamin D dan Tumor Necrosis Factor Alpha terhadap Kehamilan Normal Trimester 1 dan Abortus Spontan. Andalas Obstetrics And Gynecology Journal, [S. l.], v. 7, n. 2, p. 391–404, 2023. DOI: 10.25077/aoj.7.2.391-404.2023. Disponível em: https://jurnalobgin.fk.unand.ac.id/index.php/JOE/article/view/319. Acesso em: 9 oct. 2026.