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Liang M, Gao L, Cheng C, Zhou Q, Uy JP, Heiner K, Sun C.Liang M, et al. Among authors: gao l.Travel Med Infect Dis. 2020 Jul-Aug;36:101751. doi: 10.1016/j.tmaid.2020.101751. Epub 2020 May 28.Travel Med Infect Dis. 2020.PMID: 32473312Free PMC article.
Liu H, Gao L, Sun C.Liu H, et al. Among authors: gao l.J Public Health (Oxf). 2021 Dec 10;43(4):e656. doi: 10.1093/pubmed/fdaa072.J Public Health (Oxf). 2021.PMID: 32529204No abstract available.
Li Y, Liang M, Gao L, Ayaz Ahmed M, Uy JP, Cheng C, Zhou Q, Sun C.Li Y, et al. Among authors: gao l.Am J Infect Control. 2021 Jul;49(7):900-906. doi: 10.1016/j.ajic.2020.12.007. Epub 2020 Dec 19.Am J Infect Control. 2021.PMID: 33347937Free PMC article.