SHARMA, G TARU, PAWAN K DUBEY, AMARNATH KATIYAR, and G SAI KUMAR. 2011. “Localization and Expression of Proliferating Cell Nuclear Antigen (PCNA)”. The Indian Journal of Animal Sciences 81 (3). Delhi, India. https://epubs.icar.org.in/index.php/IJAnS/article/view/4793.