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Mizia-Stec K, Mandecki T, Zahorska-Markiewicz B, Szulc A, Jastrzebska-Maj E, Szymański L.Mizia-Stec K, et al. Among authors: szymanski l.Pol Arch Med Wewn. 1999 May;101(5):391-6.Pol Arch Med Wewn. 1999.PMID: 10740418Clinical Trial.Polish.