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Czeczuk A, Huk-Wieliczuk E, Dmitruk A, Popławska H.Czeczuk A, et al. Among authors: poplawska h.Przegl Epidemiol. 2017;71(1):99-110.Przegl Epidemiol. 2017.PMID: 28742311Free article.
Dmitruk A, Kunicka I, Popławska H, Hołub W.Dmitruk A, et al. Among authors: poplawska h.Rocz Panstw Zakl Hig. 2016;67(1):37-44.Rocz Panstw Zakl Hig. 2016.PMID: 26953580Free article.