Is non-invasive ventilation effective in improving the exercise capacity in patients with cardiac heart failure?: A randomised crossover trial - Guillermo Mazzucco; Rodrigo Torres-Castro; Leonardo Intelangelo; Ana Lista-Paz; Juan Pablo Escalante; Lore Zumeta-Olaskoaga; Gonzalo Veiga; Ane Arbillaga Etxarri (PLoS ONE, 2025)