Spodnik, J. H., Department of Anatomy and Neurobiology, Medical University of Gdańsk Spodnik, J. H., Department of Anatomy and Neurobiology, Medical University of Gdansk, Gdansk, Poland Spodnik, J.H. Spodnik, Jan Spodnik, Jan Henryk Spodnik, Jan H. Spodnik, Jan Henryk Spodnik, Jan Heryk, Department of Anatomy and Neurobiology, Medical University of Gdańsk, Poland Spodnik, JH Sporniak-Tutak, K., Department of Dental Surgery, Pomeranian Medical University, Powstańców Wielkopolskich 72, 70-111 Szczecin Springer, J., department of preventive medicine and education, medical university of gdansk, Poland. Spyridakis, I. Spyridakis, I. Sretić, L. Sricharoenvej, S. Srimani, P. Sroczyk-Jaszczyńska, M. Sroczynski, Maciej Środek, R Sroka, A. ST, Moqattash Stachowiak, Ewa K Stachowiak, Ewa K. Stachowiak, Michal K. Stachowiak, Michał K