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de Mesquita Júnior JA, Lopes AJ, Jansen JM, de Melo PL.de Mesquita Júnior JA, et al. Among authors: lopes aj.J Bras Pneumol. 2006 May-Jun;32(3):213-20.J Bras Pneumol. 2006.PMID: 17273610Free article.English, Portuguese.