Document Type : Research article
Authors
1 Department of Pathology and Clinical Pathology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt.
2 Zoology Department, Faculty of Science, Al-Azhar University, Assiut, Egypt
3 Department of Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt
Abstract
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