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Frąc M, Oszust K, Lipiec J, Jezierska-Tys S, Nwaichi EO.Frąc M, et al. Among authors: lipiec j.Int J Environ Res Public Health. 2014 Aug 28;11(9):8891-908. doi: 10.3390/ijerph110908891.Int J Environ Res Public Health. 2014.PMID: 25170681Free PMC article.