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Alvarez-Curto E, Saran S, Meima M, Zobel J, Scott C, Schaap P.Alvarez-Curto E, et al. Among authors: saran s.Development. 2007 Mar;134(5):959-66. doi: 10.1242/dev.02775. Epub 2007 Jan 31.Development. 2007.PMID: 17267449Free PMC article.