Nurdin, A., Irianta, T., Tahir, M., & Chalid, M. T. (2018). Obstetric Risk Factors and Anal Incontinence among Women with Previous History of Vaginal Delivery. Indonesian Journal of Obstetrics and Gynecology, 6(1), 55–59. https://doi.org/10.32771/inajog.v6i1.759