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Check date values in: |date= (help) ↑ World Health Organization (February 2009). « Age-standardized DALYs per 100,000 by cause, and Member State, 2004 ».
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Current Opinion in Infectious Diseases. 26 (4): 352–358. doi:10.1097/QCO.0b013e3283631046. PMID 23806898. ↑ World Health Organization (February 2009).