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Machado MAC, Lobo Filho MM, Mattos BH, Ardengh JC, Makdissi FF.Machado MAC, et al. Among authors: mattos bh.Rev Col Bras Cir. 2020 Jun 8;47:e20202501. doi: 10.1590/0100-6991e-20202501. eCollection 2020.Rev Col Bras Cir. 2020.PMID: 32520131Free article.English, Portuguese.