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Attama CM, Uwakwe R, Onyeama GM, Igwe MN.Attama CM, et al. Among authors: onyeama gm.Ann Med Health Sci Res. 2015 May-Jun;5(3):197-204. doi: 10.4103/2141-9248.157503.Ann Med Health Sci Res. 2015.PMID: 26097762Free PMC article.