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Kyari F, Abdull MM, Bastawrous A, Gilbert CE, Faal H.Kyari F, et al.Middle East Afr J Ophthalmol. 2013 Apr-Jun;20(2):111-25. doi: 10.4103/0974-9233.110605.Middle East Afr J Ophthalmol. 2013.PMID: 23741130Free PMC article.Review.