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Abreu P, Azevedo E, Lobo L, Moura CS, Pontes C.Abreu P, et al. Among authors: pontes c.Acta Med Port. 2005 May-Jun;18(3):199-208. Epub 2005 Jun 18.Acta Med Port. 2005.PMID: 16207456Free article.Review.Portuguese.