scientific article published on 01 January 2009
author: Ewa Helwich, Halina Weker, Alicja Chybicka, Ewa Pronicka, Jerzy Szczapa, Andrzej Lewiński, Janusz Ksiazyk, Danuta Chlebna-Sokół, Jadwiga Charzewska, Jacek Imiela, Justyna Czech-Kowalska, Ewa Marcinowska-Suchowierska, Andrzej Milewicz, Stanisław Radowicki, Paweł Płudowski, Roman S Lorenc
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