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Al-Kharashi SA, Al-Obailan MM, Almohaimeed M, Al-Torbak AA.Al-Kharashi SA, et al.Saudi J Ophthalmol. 2009 Oct;23(3-4):203-9. doi: 10.1016/j.sjopt.2009.10.004. Epub 2009 Oct 24.Saudi J Ophthalmol. 2009.PMID: 23960861Free PMC article.