In Cardiac Patients Beta-blockers Attenuate The Decrease In Work Rate At A Fixed Heart Rate: 1002. (September 2022) - Baldassarre, Giovanni; Azzini, Valeria; Zuccarelli, Lucrezia; Degano, Cristina; Graniero, Francesco; Plett, Gloria; Floreani, Mirco; Lazzer, Stefano; Mos, Lucio; Grassi, Bruno