Vetta, F., G. Vetta, S. Bracchitta, M. Mignano, and A. Mattatelli. “Cardiac Resynchronization Therapy in the Elderly. How Much Is It Safe and Beneficial?”. Monaldi Archives for Chest Disease, vol. 89, no. 1, Mar. 2019, doi:10.4081/monaldi.2019.1025.