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Guimarães MD, Almeida MF, Brelinger A, Barbosa PN, Chojniak R, Gross JL.Guimarães MD, et al. Among authors: chojniak r.J Med Case Rep. 2011 Dec 12;5:575. doi: 10.1186/1752-1947-5-575.J Med Case Rep. 2011.PMID: 22151903Free PMC article.