Krakowiak-Sarnowska, Elżbieta, Department of Normal Anatomy, Ludwik Rydygier Medical University, Bydgoszcz, Poland Kralickova, M., Faculty of Medicine in Pilsen, Charles University in Prague Kram, Andrzej Kramer, A. Krasińska, Małgorzata Krasiński, Zbigniew A. Krasny, M., Department of Orthodontics, Warsaw Medical University Krasny, M. Krasucki, K. Krasucki, K., Warszawski Uniwersytet Medyczny (Poland) Kraszpulski, Michał, Laboratory of Electron Microscopy, Medical University of Gdańsk, Poland Kratochwil, M., Department of General, Oncological and Gastroenterological Surgery, Jagiellonian University Medical College, Krakow, Poland Krawczyk, M., Warszawski Uniwersytet Medyczny Krawczyk, R. Kreja, N. Krochmalski, M., Medical Magnus Clinic, Kopernika 38 ; 90-552 Łódź, Poland Kromer, Piotr, Department of Anatomy, University of Medical Sciences, Poznań, Poland Krstić, N. Krtinić, D. Krukowska, J. Krupa, K. Krupa, Wojciech Krupa, Wojciech, II Department of Cardiology, Medical University of Gdańsk, Gdańsk, Poland Krupa, Wojciech, 2nd Department of Cardiac Diseases, Institute of Cardiology, Medical University, Gdańsk, Poland Krupa, Wojciech, 2nd Department of Cardiology, Medical University of Gdańsk, POland