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. 2006 Dec 7;27(4):440–452. doi: 10.1057/palgrave.jphp.3200106
WFPHA: World Federation of Public Health Associations
Issue date 2006.
© Palgrave Macmillan Ltd 2006
This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.
PMCID: PMC7100337 PMID: 17164809
