Zekeriya Ozudogru, Hulya Kara, Adem Kara, Dervis Ozdemir and Hulya Balkaya, 2022. Morphological and Immunohistochemical Study on the Distribution of Endocrine Cells in the Gastrointestinal Tract of Partridge, Alectoris chukar. Pakistan J. Zool., 54: 523-528. DOI: https://dx.doi.org/10.17582/journal.pjz/20200915100910