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Kuśmierczyk-Droszcz B, Szaroszyk W, Michałek P, Konka M, Michalak E, Klisiewicz A, Biederman A, Rydlewska-Sadowska W, Hoffman P.Kuśmierczyk-Droszcz B, et al. Among authors: hoffman p.Przegl Lek. 2004;61(6):620-2.Przegl Lek. 2004.PMID: 15724649Polish.
Klisiewicz A, Leszek P, Michałek P, Biederman A, Hoffman P.Klisiewicz A, et al. Among authors: hoffman p.Przegl Lek. 2004;61(6):722-4.Przegl Lek. 2004.PMID: 15724672Polish.