Yeni CM, Tambunan R, Hasanuddin. Threatened Preterm Labor: Which are become Preterm Labor? Ancaman Persalinan Preterm: Mana yang menjadi Persalinan Preterm?. Indones J Obstet Gynecol [Internet]. 2020 Oct. 2 [cited 2026 Mar. 5];8(4):216-22. Available from: https://www.inajog.com/index.php/journal/article/view/1299