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Wang SY, Cheng YY, Guo HR, Tseng YC.Wang SY, et al. Among authors: cheng yy.Int J Environ Res Public Health. 2021 Sep 17;18(18):9784. doi: 10.3390/ijerph18189784.Int J Environ Res Public Health. 2021.PMID: 34574710Free PMC article.