Here are some links where you may find useful information on ED and its treatment :

	International Journal of Impotence Research
	International Society of Impotence Research
	Journal of Urology
	World Journal of Urology
	British Journal of Urology - International
	American Urological Association
	European Urology
	The Chronicle of Urology & Sexual Medicine
	British Association of Urological Surgeons
	Urology Network