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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
- Ministry of Health, PO Box 393, Muscat 113, Sultanate of Oman. Tel. +968 696187. Fax. +968 695480. E-mail: jallawat@omantel.net.om
- epartment of Epidemiology and Health Promotion, National Public Health Institute, Helsinki, Finland.
