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Govindarajulu U, Bedi S, Kluger A, Resnic F.Govindarajulu U, et al.Stat Med. 2018 Dec 10;37(28):4185-4199. doi: 10.1002/sim.7906. Epub 2018 Jul 30.Stat Med. 2018.PMID: 30062850
Govindarajulu U, Bedi S.Govindarajulu U, et al.BMC Med Res Methodol. 2022 Jan 12;22(1):11. doi: 10.1186/s12874-021-01424-5.BMC Med Res Methodol. 2022.PMID: 35021993Free PMC article.