D. K. MANDAL, M. KUMAR, and S. TYAGI, “Assessment of sperm morphological abnormalities, livability and plasmallemalintegrity in frozen-thawed semen of Sahiwal bulls”, Indian J of Anim Sci, vol. 79, no. 4, Jan. 2011, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/2798