div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: study Phil Trans R Soc Lond B 3 Ritsema van Eck HJ Kors JA van Herpen G The U wave in the electrocardiogram: a solution for a 100-year-old riddle Cardiovasc Res 4 Wu S Hayashi src=https:reader033fdocumentsnlreader033viewer2022060717607d6e1abd8d647ec1380cd7html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp1pdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: study Phil Trans R Soc Lond B 3 Ritsema van Eck HJ Kors JA van Herpen G The U wave in the electrocardiogram: a solution for a 100-year-old riddle Cardiovasc Res 4 Wu S Hayashi src=https:reader033fdocumentsnlreader033viewer2022060717607d6e1abd8d647ec1380cd7html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp2pdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: study Phil Trans R Soc Lond B 3 Ritsema van Eck HJ Kors JA van Herpen G The U wave in the electrocardiogram: a solution for a 100-year-old riddle Cardiovasc Res 4 Wu S Hayashi src=https:reader033fdocumentsnlreader033viewer2022060717607d6e1abd8d647ec1380cd7html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divp3pdiv