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Wang Y, Zhao YQ, Zheng Y.Wang Y, et al. Among authors: zhao yq.Biometrics. 2020 Sep;76(3):853-862. doi: 10.1111/biom.13199. Epub 2019 Dec 25.Biometrics. 2020.PMID: 31833561Free PMC article.
Liu Y, Wang Y, Kosorok MR, Zhao Y, Zeng D.Liu Y, et al.Stat Med. 2018 Nov 20;37(26):3776-3788. doi: 10.1002/sim.7844. Epub 2018 Jun 5.Stat Med. 2018.PMID: 29873099Free PMC article.
Pan Y, Zhao YQ.Pan Y, et al. Among authors: zhao yq.J Am Stat Assoc. 2021;116(533):283-294. doi: 10.1080/01621459.2020.1725522. Epub 2020 Sep 8.J Am Stat Assoc. 2021.PMID: 34024961Free PMC article.