Document Type : Original Article
Authors
1 Human Anatomy and Embryology department, faculty of Medicine, Assiut University – Assiut 71515, Egypt.
2 Department of medical physiology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt.
3 Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt.
Abstract
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