Ratajczak, Ilona Ratajczak, Wojciech Ratajczak, Wojciech, Department of Anatomy, University of Medical Sciences, Poznań, Poland Ratajczak, Wojciech, Departament of Anatomy, Karol Marcinkowski University School of Medical Sciences, Poznań, Poland Ratajczak, Wojciech, Department of Anatomy, Karol Marcinkowski University School of Medical Sciences, Poland Ratajska, A. Ratajska, Anna, Department of Pathological Anatomy, Medical University of Warsaw, Poland Rath, G. Ratusznik, Jakub Rauhut-Klaban, M., Department of Anatomy, University of Medical Sciences, Poznań, Poland Rauhut-Klaban, M., Department of Anatomy, Medical University, Poznań, Poland Ravi, K. S. Ravi, Kumar Satish Ravi, P. K. Rawicz-Zegrzda, D., Department of Noninvasive Cardiac Diagnostics, Medical University of Gdansk, Poland Reci, V. Reçi, V. Reddy, S. Reffat, S. Regulski, P. Reinhard, H., Institute of Anatomy, University of Veterinary Medicine Hannover, Germany Ren, Ke Ren, Q. Ren, X. Ren, X.