Aryati, A. et al. 2015. Diagnostic Value of IGFBP-1 Rapid Test and Combined IGFBP-1-AFP in Vaginal Fluid from Premature Rupture of Amniotic Membranes. Indonesian Journal of Obstetrics and Gynecology. 3, 3 (Jul. 2015), 133–139. DOI:https://doi.org/10.32771/inajog.v3i3.42.