Prognostic value of a new cardiopulmonary exercise testing parameter in chronic heart failure: oxygen uptake efficiency at peak exercise — comparison with oxygen uptake efficiency slope Alexandra Toste, Rui Soares, Joana Feliciano, Valeska Andreozzi, Sofia Silva, Ana Abreu, Ruben Ramos, Ninel Santos, Lurdes Ferreira, Rui Cruz Ferreira

Heartfelt exercise: Physical exercise gets the cardiovascular system into shape Frederico C. Pereira

Relation between heart rate recovery after exercise testing and body mass index Tereza Cristina Barbosa Lins, Lucila Maria Valente, Dário Celestino Sobral Filho, Odwaldo Barbosa e Silva