Vetta, Francesco, Giampaolo Vetta, Sonia Bracchitta, Maria Mignano, and Antonella Mattatelli. 2019. “Cardiac Resynchronization Therapy in the Elderly. How Much Is It Safe and Beneficial?”. Monaldi Archives for Chest Disease 89 (1). https://doi.org/10.4081/monaldi.2019.1025.