Gena, Rakesh. “Comparative Histochemical Observations on the Cloaca of White Leghorn (Gallus Gallus Domesticus) and Guinea Fowl (Numida Meleagris)”. Indian Journal of Veterinary Anatomy, vol. 33, no. 1, Aug. 2021, https://epubs.icar.org.in/index.php/IJVA/article/view/114701.