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;

Caffeine slows heart rate autonomic recovery following strength exercise in healthy subjects Cicero Jonas R. Benjamim; Larissa Raylane L. Monteiro; Yasmim M. de Moraes Pontes; Amanda A. Marcelino da Silva; Thays K. Marinho de Souza; Vitor E. Valenti; David M. Garner; Taisy C. Ferro Cavalcante;