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Pytlik M, Janiec W, Nowińska B, Cegieła U, Kaczmarczyk-Sedlak I, Folwarczna J, Woźnica H.Pytlik M, et al. Among authors: folwarczna j.Przegl Lek. 2003;60(2):72-5.Przegl Lek. 2003.PMID: 12939850Polish.
Cegieła U, Piatek A, Janiec W, Nowińska B, Pytlik M, Folwarczna J, Kwiatkowski Z, Kaczmarczyk-Sedlak I.Cegieła U, et al. Among authors: folwarczna j.Przegl Lek. 2003;60(5):329-33.Przegl Lek. 2003.PMID: 14593673Polish.