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Litvin O, Tiunova A, Connell-Alberts Y, Panchin Y, Baranova A.Litvin O, et al.J Cell Mol Med. 2006 Jul-Sep;10(3):613-34. doi: 10.1111/j.1582-4934.2006.tb00424.x.J Cell Mol Med. 2006.PMID: 16989724Free PMC article.Review.