Shrestha T, Baral G, Sedhain N. Sirenomelia in Dicephalic parapagus twins discordant for anencephaly and spina bifida. Nepal J Obstet Gynaecol [Internet]. 2020 Jun. 7 [cited 2024 Aug. 16];15(1):81-3. Available from: https://nepjol.info/index.php/NJOG/article/view/29349