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Castañeda Ospina SA, Cardona Maya WD, Bueno Sánchez JC, Cadavid Jaramillo AP.Castañeda Ospina SA, et al. Among authors: cardona maya wd.Sao Paulo Med J. 2003 Nov 6;121(6):248-50. doi: 10.1590/s1516-31802003000600006. Epub 2004 Jun 28.Sao Paulo Med J. 2003.PMID: 14989141Free article.