Shrestha, Tripti, Gehanath Baral, and Nesuma Sedhain. 2020. “Sirenomelia in Dicephalic Parapagus Twins Discordant for Anencephaly and Spina Bifida”. Nepal Journal of Obstetrics and Gynaecology 15 (1):81-83. https://www.nepjol.info/index.php/NJOG/article/view/29349.