Document Type : Original Article
Authors
1 Resident of cardiology department, National Heart Institute, Cairo, Egypt.
2 Professor of cardiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
3 Assistant Professor of cardiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
4 Lecturer of cardiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
Abstract
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