Firyal, Sehrish, et al. “Bovine Herpes Mammillitis (Gulwaddee) – a Less Known Disease of Cows and Buffaloes in Pakistan”. Buffalo Bulletin, vol. 38, no. 4, Dec. 2019, pp. 571-8, https://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/2432.