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Al-Akour NA, Khader YS, Khassawneh MY, Bawadi H.Al-Akour NA, et al.Child Care Health Dev. 2012 Mar;38(2):237-43. doi: 10.1111/j.1365-2214.2011.01248.x. Epub 2011 May 27.Child Care Health Dev. 2012.PMID: 21615771Clinical Trial.