1. Introduction Creator: Jagla, Feodor and Pecháňová, Olga Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
2. Mária Gerová, M.D.,DrSc. and Cardiovascular Physiology Creator: Török, Jozef and Pecháňová, Olga Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public