Vala, A.K., et al. “Surgical Management of Atresia Ani Et Recti With Congenital Absence of Tail (anury) in a Male Buffalo Calf”. Buffalo Bulletin, vol. 36, no. 4, Dec. 2017, pp. 699-02, https://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/927.