Ayala, Henry D.M. “Association of Testicular Echogenicity, Scrotal Circumference, Testicular Volume and Testosterone Concentration in Buffaloes”. Brazilian Journal of Veterinary Medicine 38, no. 4 (December 16, 2016): 334–340. Accessed March 14, 2025. https://bjvm.org.br/BJVM/article/view/41.