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Natale VM, Brenner IK, Moldoveanu AI, Vasiliou P, Shek P, Shephard RJ.Natale VM, et al. Among authors: brenner ik.Sao Paulo Med J. 2003 Jan 2;121(1):9-14. doi: 10.1590/s1516-31802003000100003. Epub 2003 Jul 4.Sao Paulo Med J. 2003.PMID: 12751337Free article.Clinical Trial.