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Sieroń A, Namysłowski G, Misiołek M, Adamek M, Kawczyk-Krupka A.Sieroń A, et al.Otolaryngol Pol. 2003;57(4):501-4.Otolaryngol Pol. 2003.PMID: 14587386Clinical Trial.Polish.
Sieroń A, Kawczyk-Krupka A, Gadowska-Cicha A.Sieroń A, et al.Pol Merkur Lekarski. 2001 Feb;10(56):113-6.Pol Merkur Lekarski. 2001.PMID: 11320577Review.Polish.