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Yela DA, Monteiro IM, Bahamondes LG, Del Castillo S, Bahamondes MV, Fernandes A.Yela DA, et al.Rev Assoc Med Bras (1992). 2006 Jan-Feb;52(1):32-6. doi: 10.1590/s0104-42302006000100019. Epub 2006 Apr 10.Rev Assoc Med Bras (1992). 2006.PMID: 16622536Free article.Portuguese.