Document Type : Original Article
Authors
1 Cardiothoracic Surgery Department, faculty of medicineMansoura University, Egypt
2 Cardiothoracic Surgery Department, facuty of medicine, Mansoura University, Egypt
3 cardiothoracic surgery department, faculty of medicine, Mansoura university, Mansoura city,Egypt.
4 cardiothoracic surgery department, faculty of medicine, Mansoura university, Mansoura city, Egypt
Abstract
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