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Doherty T, Chopra M, Nkonki L, Jackson D, Greiner T.Doherty T, et al. Among authors: nkonki l.Bull World Health Organ. 2006 Feb;84(2):90-6. doi: 10.2471/blt.04.019448. Epub 2006 Feb 23.Bull World Health Organ. 2006.PMID: 16501725Free PMC article.
Wandera MN, Engebretsen IM, Rwenyonyi CM, Tumwine J, Astrøm AN; PROMISE-EBF Study Group.Wandera MN, et al.Health Qual Life Outcomes. 2009 Oct 14;7:89. doi: 10.1186/1477-7525-7-89.Health Qual Life Outcomes. 2009.PMID: 19828031Free PMC article.Clinical Trial.