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Narciso-Schiavon JL, Schiavon Lde L, Carvalho-Filho RJ, Hayashida DY, Wang JH, Souza TS, Emori CT, Ferraz ML, Silva AE.Narciso-Schiavon JL, et al.Sao Paulo Med J. 2010 Dec;128(6):342-7. doi: 10.1590/s1516-31802010000600006.Sao Paulo Med J. 2010.PMID: 21308157Free PMC article.