Amalia, Amalia, et al. “The Role of Matrix Metalloproteinase9 (MMP9) in Endometriosis: Peran Matriks Metalloproteinase­9 (MMP­9) Pada Endometriosi”. Indonesian Journal of Obstetrics and Gynecology, vol. 5, no. 4, Dec. 2017, pp. 203-7, doi:10.32771/inajog.v5i4.559.