Siemieniuk, Dawid Sieńko, Andrzej Sieńko, Jerzy, Klinika Chirurgii Ogólnej i Transplantacyjnej PUM w Szczecinie Sierant, Marian, Department of Cardiology, Końskie, Poland Sieroń, Aleksander Siga, Olga, Oddział Chorób Wewnętrznych i Geriatrii Szpitala Uniwersyteckiego Katedra Chorób Wewnętrznych i Gerontologii Collegium Medicum Uniwersytetu Jagiellońskiego Sikorska, Joanna Silverberg, R. Nuti i D.S. Siminiak, Elżbieta Nikisch i Tomasz Siminiak, Jarosław Mańczak i Tomasz Siminiak, Jerzy Moczko i Tomasz Simon, Paul Singh, Anupam Kumar Singh, Anupam Singh, Anupam Kumar Singh, Avinas Kumar Singh, Avinash Kumar Singh, Avinash Kumar, Dept. of Cardiology,L.P.S Institute of Cardiology G.S.V.M Med. College Kanpur Singh, Karandeep Singh, Karandeep, Dept. of Cardiology,L.P.S Institute of Cardiology G.S.V.M Med. College Kanpur Singh, Karandeep Sinha, Santosh Kumar, Department of Cardiology, LPS Institute of Cardiology, G.S.V.M. Medical College, Kanpur, India Sinha, Santosh Kumar Sinha, Santosh Kumar Sinha, Santosh Kumar, Dept. of Cardiology,L.P.S Institute of Cardiology G.S.V.M Med. College Kanpur