Patient and system delays in the treatment of acute coronary syndrome Marta Viana; Olga Laszczy¿ska; Carla Araújo; Andreia Borges; Vítor Barros; Ana Isabel Ribeiro; Paula Dias; Maria Júlia Maciel; Ilídio Moreira; Nuno Lunet; Ana Azevedo;

Fistulous coronary artery aneurysms: Further insights into mechanistic and clinical implications Kenan Yalta; Cihan Ozturk; Tulin Yalta; Ertan Yetk¿n;

Transapical off-pump mitral valve repair with NeoChord implantation: Is less better? Gonçalo F. Coutinho;