Challana, Amit, Anuradha Gupta, Neelam Bansal, Varinder Uppal, and Srinath R. D. 2014. “Histomorphological and Histochemical Studies on Umbilical Cord of Buffalo”. Indian Journal of Veterinary Anatomy 26 (1). https://epubs.icar.org.in/index.php/IJVA/article/view/41384.