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García-Dorado A, Avila V, Sánchez-Molano E, Manrique A, López-Fanjul C.García-Dorado A, et al. Among authors: lopez fanjul c.Evolution. 2007 Mar;61(3):653-65. doi: 10.1111/j.1558-5646.2007.00052.x.Evolution. 2007.PMID: 17348928