Gedam P. Histomorphological, Histochemical and Histoenzymic Studies on Lymphoid Tissue of Oropharynx in Khaki Campbell Breed of Duck (Anas platyrhynchos). Indian J. Vet. Anat. 2020;31(2). Accessed October 20, 2025. https://epubs.icar.org.in/index.php/IJVA/article/view/97240