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Sule WF, Oyedele OI, Osei-Kwasi M, Odoom JK, Adu FD.Sule WF, et al.East Afr Med J. 2008 Mar;85(3):137-41. doi: 10.4314/eamj.v85i3.9632.East Afr Med J. 2008.PMID: 18663887