Cardiac rehabilitation and improvement of chronotropic incompetence: Is it the exercise or just the beta blockers? Tiago Pimenta; J. Afonso Rocha;

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;

Primary heart failure with preserved ejection fraction: The intertwined pathophysiology and treatment of some of the most relevant phenotypes Ryohei Ono; Luiz Menezes Falcão;