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Kuhn J, Sheldrick RC, Broder-Fingert S, Chu A, Fortuna L, Jordan M, Rubin D, Feinberg E.Kuhn J, et al. Among authors: sheldrick rc.BMC Med Res Methodol. 2019 Dec 16;19(1):239. doi: 10.1186/s12874-019-0883-9.BMC Med Res Methodol. 2019.PMID: 31842765Free PMC article.