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Kwak D, Wei G, Thompson LV, Kim JH.Kwak D, et al. Among authors: kim jh.Int J Environ Res Public Health. 2020 Jul 19;17(14):5211. doi: 10.3390/ijerph17145211.Int J Environ Res Public Health. 2020.PMID: 32707682Free PMC article.
Graber TG, Ferguson-Stegall L, Kim JH, Thompson LV.Graber TG, et al. Among authors: kim jh.J Gerontol A Biol Sci Med Sci. 2013 Nov;68(11):1326-36. doi: 10.1093/gerona/glt032. Epub 2013 Apr 12.J Gerontol A Biol Sci Med Sci. 2013.PMID: 23585418Free PMC article.