Idrissa, A., and A. M. Abdul Rashid. “Epidemiological Profile of Obstetric Fistula Women at the National Obstetric Fistula Reference Center in Niamey; From January 2016 to 31 December 2017”. Nepal Journal of Obstetrics and Gynaecology, vol. 13, no. 2, Nov. 2018, https://nepjol.info/index.php/NJOG/article/view/21938.