Association Between Penile Color Doppler Ultrasonography and Cardiorespiratory Fitness in Patients With Vascular Erectile Dysfunction oleh Maurizio De Rocco Ponce, MD, Marco Vecchiato, MD, Daniel Neunhaeuserer, MD PhD, Francesca Battista, MD, Nicola Caretta, MD PhD, Francesco Savalla, MD, Claudia Favero, MD, Andrea Garolla, MD, Carlo Foresta, MD, Andrea Ermolao, MD