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N Engl J Med 2014; 371:2083-2091November 27, 2014DOI: 10.1056/NEJMoa1411099
Free Download from the website http://www.nejm.org/doi/full/10.1056/NEJMoa1411099?query=TOC
This data set represents the best estimates of WHO using methodologies for specific indicators that aim for comparability across countries and time; they are updated as more recent or revised data become available, or when there are changes to the methodology being used. Therefore, they are not alwa
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