T. S. Singh, O. R. Sathyamoorthy, S. H. Basha, S. Ushakumary, and K. Raja, “Histomorphological, Histomorphometrical and Histochemical Studies on the Small Intestine of Large White Yorkshire Pig (Sus scrofa domesticus)”, Int. J. Livest. Res., vol. 11, no. 2, pp. 59–66, Feb. 2021.