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Law M, Couturier DL, Choodari-Oskooei B, Crout P, Gamble C, Jacko P, Pallmann P, Pilling M, Robertson DS, Robling M, Sydes MR, Villar SS, Wason J, Wheeler G, Williamson SF, Yap C, Jaki T.Law M, et al. Among authors: robertson ds.Trials. 2023 Oct 5;24(1):640. doi: 10.1186/s13063-023-07576-7.Trials. 2023.PMID: 37798805Free PMC article.
Lee KM, Robertson DS, Jaki T, Emsley R.Lee KM, et al. Among authors: robertson ds.Stat Methods Med Res. 2022 Nov;31(11):2104-2121. doi: 10.1177/09622802221114544. Epub 2022 Jul 25.Stat Methods Med Res. 2022.PMID: 35876412Free PMC article.