Diallo, K. (2004),"Data on the migration of health-care workers: sources, uses, and challenges", Bulletin ofthe World Health Organization, 82(8): 601-607, available online at: (http://www.who.int/bulletin/volumes/82/8/601.pdf, accessed 25 May 2012).
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Diallo, K. (2004). on the migration of health-care workers: sources, uses, and challenges". Bulletin ofthe World Health Organization, 82(8), pp. 601-607.
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