Comparison between PtCO2 and PaCO2 and Derived Parameters in Heart Failure Patients during Exercise: A Preliminary Study. - Mauro Contini; Alessandra Angelucci; Andrea Aliverti; Paola Gugliandolo; Beatrice Pezzuto; Giovanni Berna; Simona Romani; Calogero Claudio Tedesco; Piergiuseppe Agostoni (Sensors, 2021)