Keman K, Nugrahanti P, Supriany NW. Fetal Fibronectin (fFN) on the Imminent Premature Parturition in Correlation with Incidence of Preterm Labor. Indones J Obstet Gynecol [Internet]. 2016 Jan. 14 [cited 2026 May 14];4(1):8-14. Available from: https://inajog.com/index.php/journal/article/view/65