Khalphallah, Arafat, et al. “Diagnostic and Prognostic Significance of Lipid Profiles in Holstein Dairy Cattle With Displaced Abomasum: Before and After Surgical Operation”. Journal of Advanced Veterinary Research, vol. 6, no. 1, Jan. 2016, pp. 7-17, https://www.advetresearch.com/index.php/AVR/article/view/32.