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El-Baz A, Sethu P, Gimel'farb G, Khalifa F, Elnakib A, Falk R, El-Ghar MA.El-Baz A, et al.Biotechnol J. 2011 Feb;6(2):195-203. doi: 10.1002/biot.201000105.Biotechnol J. 2011.PMID: 21298804