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Chang KH, Tsai SC, Lee CY, Chou RH, Fan HC, Lin FC, Lin CL, Hsu YC.Chang KH, et al. Among authors: chou rh.Int J Environ Res Public Health. 2020 Mar 17;17(6):1969. doi: 10.3390/ijerph17061969.Int J Environ Res Public Health. 2020.PMID: 32192124Free PMC article.