Document Type : Research Paper
Authors
1 Cardiac surgeon, Department of Cardiac Surgery, Faculty of Medical Science. Mashhad University of Medical Sciences, Iran
2 Resident of cardiac surgery, Department of Cardiac Surgery, Faculty of Medical Science. Mashhad University of Medical Sciences, Iran
3 Student Research Committee, Faculty of medicine, Mashhad University of Medical Sciences, Mashhad, Iran
4 Student Research Committee, Faculty of medicine, Mashhad University of Medical Sciences, Mashhad
Abstract
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