Document Type : Original Article
Authors
1 Cardiothoracic Surgery Department, Faculty of Medicine, Zagazig University
2 Department of Cardiothoracic surgery, Faculty of Medicine, Zagazig University, Egypt
3 Cardiothoracic surgery department, faculty of medicine, Zagazig university
4 Department of Cardiothoracic Surgery, Faculty of Human Medicine, Zagazig University, Zagazig, Egypt
Abstract
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