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Krzych LJ, Wybraniec MT, Krupka-Matuszczyk I, Skrzypek M, Bolkowska A, Wilczyński M, Bochenek AA.Krzych LJ, et al.Biomed Res Int. 2013;2013:835850. doi: 10.1155/2013/835850. Epub 2013 Dec 22.Biomed Res Int. 2013.PMID: 24455731Free PMC article.
Wiórek A, Krzych ŁJ.Wiórek A, et al. Among authors: krzych lj.Int J Environ Res Public Health. 2019 Nov 9;16(22):4380. doi: 10.3390/ijerph16224380.Int J Environ Res Public Health. 2019.PMID: 31717505Free PMC article.