Dawar, Nikita, et al. “Gross and Histopathological Changes Aerobic Bacterial Plate Count and Cytological Alterations in Acute, Subacute and Chronic Endometritis of Buffaloes (Bubalus Bubalis)”. Buffalo Bulletin, vol. 36, no. 4, Dec. 2017, pp. 661-7, http://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/920.