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Mannaa F, El-Shamy KA, El-Shaikh KA, El-Kassaby M.Mannaa F, et al. Among authors: el shaikh ka.Pathophysiology. 2011 Sep;18(4):287-94. doi: 10.1016/j.pathophys.2011.04.002. Epub 2011 May 31.Pathophysiology. 2011.PMID: 21621986Free article.