Rajuddin, R. et al. 2022. C-Reactive Protein and Matrix Metalloproteinase-7 in Preterm Premature Rupture of Membranes (PPROM) and Premature Rupture of Membranes (PROM): C-Reactive Protein dan Matrix Metalloproteinase-7 pada Ketuban Pecah Dini Kehamilan Preterm dan Aterm . Indonesian Journal of Obstetrics and Gynecology. 10, 3 (Jul. 2022), 139–144. DOI:https://doi.org/10.32771/inajog.v10i3.1574.