HP-3-5 Possible Future Therapies in Patients With Erectile Dysfunction NOT Responding to Phosphodiesterase Type 5 Inhibitors. (1st June 2020) - Driesen, K.; Gonzalez Viedma, A.; Hofkens, L.; Philtjens, U.; Brône, B.; Sandner, P.; Van Renterghem, K.