Łapaj, Ł. Łapińska, J. Łaski, D., Medical University of Gdansk Łaski, D. Łasocha, B. Ławicki, S. Łazarczyk, H., Institute of Cardiology, Warsaw, Poland Łebkowska, Urszula M., Department of Radiology, Medical University, Białystok, Poland Łebkowski, W. Łętowska-Andrzejewicz, K. Łoś, T. Łoś, Tadeusz Łuczak, Bogdan Łuczyńska, Anna Łuczyńska, Anna, Department of Anatomy and Neurobiology, Medical University of Gdańsk, Poland Łuczyńska, Anna, Department fo Anatomy and Neurobiology, Medical University of Gdańsk, Poland Łukasik, M., Poznan University of Medical Sciences Łukasik, Maria Łupicka, J. Łupicka, J., Department of Anatomy, Poznan University of Medical Sciences Łupicka, J., Department of Anatomy, Poznań University of Medical Sciences, 6 Święcicki Street, 60-781 Poznań, phone +48 61854 65 64, fax +48 61854 65 68 Łusakowska, A.