MARTÍNEZ-SÁNCHEZ, E., I. OYAGÜEZ MARTÍN, P. CARRASCO GARRIDO, and A. GIL DE MIGUEL. 2001. “Treatment With Sildenafil and Satisfaction With Life in Depressive Patients With Erectile Dysfunction”. Actas Españolas De Psiquiatría 29 (5):293-98. https://actaspsiquiatria.es/index.php/actas/article/view/561.