Cardiopulmonary exercise testing in clinical practice: Principles, applications, and basic interpretation Hélder Dores; Miguel Mendes; Ana Abreu; Anaí Durazzo; Cidália Rodrigues; Eduardo Vilela; Gonçalo Cunha; José Gomes Pereira; Luísa Bento; Luís Moreno; Paulo Dinis; Sandra Amorim; Susana Clemente; Mário Santos;

Pre-excited atrial fibrillation: A lower threshold for electrical cardioversion Luís Elvas;

The prognostic value of the cardiorespiratory optimal point during submaximal exercise testing in heart failure João Ferreira Reis; António Gonçalves; Pedro Brás; Rita Moreira; Tiago Pereira-da-Silva; Ana Teresa Timóteo; Rui Soares; Rui Cruz Ferreira;