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Olsson G, Låftman SB, Modin B.Olsson G, et al.Int J Environ Res Public Health. 2017 Dec 20;14(12):1607. doi: 10.3390/ijerph14121607.Int J Environ Res Public Health. 2017.PMID: 29261114Free PMC article.
Olsson G, Modin B, Låftman SB.Olsson G, et al.Int J Environ Res Public Health. 2021 Sep 14;18(18):9660. doi: 10.3390/ijerph18189660.Int J Environ Res Public Health. 2021.PMID: 34574585Free PMC article.