Susilani, Amalina Tri, Hertanto Wahyu Subagio, Noor Pramono, and Martha Irene Kartasurya. “Mean the Levels of 25(OH) D in the II Trimester of Pregnant Women at Sleman, Indonesia”. BKM Public Health and Community Medicine00 (April 7, 2021). Accessed November 23, 2024. https://dev.journal.ugm.ac.id/v3/BKM/article/view/1539.