1.
Sihotang I, Sitepu M, Rusda M. Descent of Fetal Head into The Pelvic Inlet in Primigravida: Systematic Review . Sumat. Med. J. [Internet]. 2021 Apr. 20 [cited 2025 Nov. 22];4(2). Available from: https://talenta.usu.ac.id/smj/article/view/5845