Jha, Rani, and Sheela Verma. “Birth of Second Twin 27 Hours After the Birth of First”. Nepal Journal of Obstetrics and Gynaecology 2, no. 2 (November 17, 2008): 84–85. Accessed July 18, 2024. https://nepjol.info/index.php/NJOG/article/view/1464.