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Whiting P, Rutjes AW, Reitsma JB, Bossuyt PM, Kleijnen J.Whiting P, et al.BMC Med Res Methodol. 2003 Nov 10;3:25. doi: 10.1186/1471-2288-3-25.BMC Med Res Methodol. 2003.PMID: 14606960Free PMC article.
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Whiting PF, Weswood ME, Rutjes AW, Reitsma JB, Bossuyt PN, Kleijnen J.Whiting PF, et al.BMC Med Res Methodol. 2006 Mar 6;6:9. doi: 10.1186/1471-2288-6-9.BMC Med Res Methodol. 2006.PMID: 16519814Free PMC article.