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Gajewska J, Ambroszkiewicz J, Rychlowska-Pruszynska M, Laskowska-Klita T.Gajewska J, et al. Among authors: ambroszkiewicz j.Med Wieku Rozwoj. 2004 Apr-Jun;8(2 Pt 1):235-43.Med Wieku Rozwoj. 2004.PMID: 15738599Polish.