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PubMed
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History
- Published online January 8, 2021.
Copyright & Usage
Copyright: © Saudi Medical Journal This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Author Information
- Department of Internal Medicine, King Fahd Hospital of the University, PO Box 40085, Al-Khobar 31952, Kingdom of Saudi Arabia. Tel/Fax. +966 (3) 882 3839.
- Dammam Chest Hospital, Dammam, Kingdom of Saudi Arabia.
- Department of Internal Medicine, King Fahad Hospital of the University, Al-Khobar, Kingdom of Saudi Arabia.