Nawaz, Zeeshan, et al. “Detection of Foot and Mouth Disease Virus Shedding in Milk of Apparently Healthy Buffaloes and Cattle of Punjab, Pakistan”. Buffalo Bulletin, vol. 38, no. 2, June 2019, pp. 255-61, http://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/1977.