N. Yoanitha, B. H. Purwara, I. Ruslina, and S. Sasotya, “The Effect of Vitamin D3 Supplementation on Increases of Levator Ani Contraction Strength in Women with Uterine Prolapse: Pengaruh Suplementasi Vitamin D3 terhadap Peningkatan Kekuatan Kontraksi Otot Levator Ani pada Wanita dengan Prolapsus Uteri ”, Indones J Obstet Gynecol, vol. 8, no. 3, pp. 174–178, Jul. 2020.