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Choi H, Lee SK.Choi H, et al.Int J Environ Res Public Health. 2020 Jul 2;17(13):4761. doi: 10.3390/ijerph17134761.Int J Environ Res Public Health. 2020.PMID: 32630704Free PMC article.
Choi H, Jeong G.Choi H, et al.J Med Internet Res. 2021 Jul 26;23(7):e27539. doi: 10.2196/27539.J Med Internet Res. 2021.PMID: 34309573Free PMC article.Review.
Jin M, Choi H.Jin M, et al. Among authors: choi h.Healthcare (Basel). 2022 Sep 30;10(10):1925. doi: 10.3390/healthcare10101925.Healthcare (Basel). 2022.PMID: 36292371Free PMC article.
Choi H, Ahn S.Choi H, et al.Int J Environ Res Public Health. 2021 Sep 9;18(18):9495. doi: 10.3390/ijerph18189495.Int J Environ Res Public Health. 2021.PMID: 34574422Free PMC article.
Lee J, Kim J, Jeong S, Choi H, Jin M, Kim S.Lee J, et al. Among authors: choi h.Telemed J E Health. 2014 Oct;20(10):930-5. doi: 10.1089/tmj.2013.0323.Telemed J E Health. 2014.PMID: 25290668Free PMC article.