Pant, A. D., G. Sayami, V. Prasad, and A. Shrestha. “A Rare Case of Yolk Sac Tumor of the Vagina: Cytology and Histopathological Findings”. Nepal Journal of Obstetrics and Gynaecology, vol. 1, no. 2, Dec. 2009, pp. 63-65, https://nepjol.info./index.php/NJOG/article/view/2402.