Scorcu, Giampaolo, Annarita Pilleri, Paolo Contu, Pompilio Faggiano, Roberto Floris, Alessandra Mereu, Luisella Pistis, Roberto Sessego, Luigi Valentino, and Claudia Sardu. 2020. “Preoperative Assessment of Cardiovascular Risk in Patients Undergoing Noncardiac Surgery: The Orion Study”. Monaldi Archives for Chest Disease 90 (1). https://doi.org/10.4081/monaldi.2020.1169.