Association of physical activity intensity with cardiovascular disease and mortality in high-income, middle-income and low-income countries: the PURE study
Effect of exercise training on cardiorespiratory fitness, quality of life and objectively measured physical activity in patients undergoing anthracycline-based chemotherapy: the Caprice RCT
Lower cardiorespiratory fitness is associated with left atrial structural, functional and electrical remodelling in patients with symptomatic atrial fibrillation