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Azer SA, Hasanato R, Al-Nassar S, Somily A, AlSaadi MM.Azer SA, et al.BMC Med Educ. 2013 May 24;13:71. doi: 10.1186/1472-6920-13-71.BMC Med Educ. 2013.PMID: 23706014Free PMC article.