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Chang CR, Song Y, Li F, Wang R.Chang CR, et al. Among authors: li f.Stat Med. 2023 Sep 30;42(22):3919-3935. doi: 10.1002/sim.9840. Epub 2023 Jul 2.Stat Med. 2023.PMID: 37394874
Turner EL, Yao L, Li F, Prague M.Turner EL, et al. Among authors: li f.Stat Methods Med Res. 2020 May;29(5):1338-1353. doi: 10.1177/0962280219859915. Epub 2019 Jul 11.Stat Methods Med Res. 2020.PMID: 31293199
Yang S, Li F, Starks MA, Hernandez AF, Mentz RJ, Choudhury KR.Yang S, et al. Among authors: li f.Stat Med. 2020 Dec 10;39(28):4218-4237. doi: 10.1002/sim.8721. Epub 2020 Aug 21.Stat Med. 2020.PMID: 32823372Free PMC article.
Zeng S, Li F, Wang R, Li F.Zeng S, et al. Among authors: li f.Stat Med. 2021 Feb 20;40(4):842-858. doi: 10.1002/sim.8805. Epub 2020 Nov 10.Stat Med. 2021.PMID: 33174296
Yang S, Lorenzi E, Papadogeorgou G, Wojdyla DM, Li F, Thomas LE.Yang S, et al. Among authors: li f.Stat Med. 2021 Aug 30;40(19):4294-4309. doi: 10.1002/sim.9029. Epub 2021 May 12.Stat Med. 2021.PMID: 33982316Free PMC article.
Hu L, Ji J, Li F.Hu L, et al. Among authors: li f.Stat Med. 2021 Sep 20;40(21):4691-4713. doi: 10.1002/sim.9090. Epub 2021 Jun 10.Stat Med. 2021.PMID: 34114252Free PMC article.