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Gates A, Gates M, Sebastianski M, Guitard S, Elliott SA, Hartling L.Gates A, et al. Among authors: hartling l.BMC Med Res Methodol. 2020 Jun 3;20(1):139. doi: 10.1186/s12874-020-01031-w.BMC Med Res Methodol. 2020.PMID: 32493228Free PMC article.
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