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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
- Consultant Pulmonologist and Director of Pulmonary Function Test Laboratory, Pulmonary and Critical Care Division, Department of Medicine (38), King Khalid University Hospital, PO Box 2925, Riyadh 11461, Kingdom of Saudi Arabia. Tel. +966 (1) 4671491. Fax. +966 (1) 4672558. E-mail: almubarak{at}hotmail.com
- Pulmonary and Critical Care Division, Department of Medicine, King Khalid University Hospital, Riyadh, Kingdom of Saudi Arabia.