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