Document Type : Original Article
Authors
1 Department of Cytology and Histology, Faculty of Vet. Med., Kafrelsheikh University, Kafr El-Sheikh, Egypt.
2 Department of Cytology and Histology, Faculty of Vet. Med., Alex. University, Damanhur Branch, Al-Bostan, Damanhur, Egypt.
3 Department of Anatomy and Embryology, Faculty of Vet. Med., Mansoura University, Mansoura, Egypt
Abstract
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