Cronotropismo no esforço. Inconsistências metodológicas e conceptuais Miguel Mendes;

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

Facemasks during aerobic exercise: Implications for cardiac rehabilitation programs during the Covid-19 pandemic Tiago Pimenta; Helena Tavares; João Ramos; Mafalda Oliveira; David Reis; Hugo Amorim; Afonso Rocha;