Shrestha, T., Baral, G., & Sedhain, N. (2020). Sirenomelia in Dicephalic parapagus twins discordant for anencephaly and spina bifida. Nepal Journal of Obstetrics and Gynaecology, 15(1), 81–83. Retrieved from https://www.nepjol.info/index.php/NJOG/article/view/29349