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Ferrari RS, Thomaz LDGR, Simoneti LEL, Ulbrich JM, Andrade CF.Ferrari RS, et al. Among authors: thomaz ldgr.J Bras Pneumol. 2019 Mar 28;45(4):e20170288. doi: 10.1590/1806-3713/e20170288.J Bras Pneumol. 2019.PMID: 30942284Free PMC article.