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Chappaz RO, Barreto SDS, Ortiz KZ.Chappaz RO, et al.Sao Paulo Med J. 2018 May-Jun;136(3):216-221. doi: 10.1590/1516-3180.2017.0320161217. Epub 2018 Jun 18.Sao Paulo Med J. 2018.PMID: 29924290Free PMC article.