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Dos Santos MBF, Agostini BA, Bassani R, Pereira GKR, Sarkis-Onofre R.Dos Santos MBF, et al. Among authors: agostini ba.BMC Med Res Methodol. 2020 Mar 11;20(1):57. doi: 10.1186/s12874-020-00939-7.BMC Med Res Methodol. 2020.PMID: 32160871Free PMC article.