546 Assessment of Predictors of Abnormal Peak Systolic Velocity and End Diastolic Velocity in Penile Doppler Ultrasound. (1st July 2018) - Habous, M.; Giona, S.; Williamson, B.; Mekawi, Z.; Abdelrahman, Z.; Nassar, M.; Binsaleh, S.; Muir, G.