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Leandro-Merhi VA, Srebernich SM, Gonçalves GM, de Aquino JL.Leandro-Merhi VA, et al.Arq Bras Cir Dig. 2015;28(1):8-12. doi: 10.1590/S0102-67202015000100003.Arq Bras Cir Dig. 2015.PMID: 25861060Free PMC article.