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Amambua AN, Ghogomu SM, Tachu JB, Pelle R, Titanji VP.Amambua AN, et al.East Afr Med J. 2005 Dec;82(12):614-24. doi: 10.4314/eamj.v82i12.9366.East Afr Med J. 2005.PMID: 16619705