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Balestrassi LS, Silva SMCA.Balestrassi LS, et al. Among authors: silva smca.Sao Paulo Med J. 2021 Jan-Feb;139(1):30-37. doi: 10.1590/1516-3180.2020.0119.R1.30102020.Sao Paulo Med J. 2021.PMID: 33656125Free PMC article.