Abdelfattah, M. ., A. M. . Seddek, K. M. . Hassanin, and A. B. M. . Edris. “Field Study on Clinical, Surgical and Economical Assessments of Urine Retention in Calves”. Journal of Advanced Veterinary Research, vol. 15, no. 3, July 2025, pp. 375-83, https://www.advetresearch.com/index.php/AVR/article/view/2265.