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Moraes FY, Bonifacio LA, Neves-Junior WP, Hanna SA, Abreu CE, Arruda FF, Silva JL, Carvalho HA.Moraes FY, et al.Rev Assoc Med Bras (1992). 2016 Nov;62(8):782-788. doi: 10.1590/1806-9282.62.08.782.Rev Assoc Med Bras (1992). 2016.PMID: 27992020Free article.