770 COMBINATION OF ALFUZOSIN AND TADALAFIL EXERTS AN ADDITIVE ENHANCING EFFECT ON NOREPINEPHRINE-INDUCED RELAXATION OF PRE-CONTRACTED HUMAN DETRUSOR SMOOTH MUSCLE - Oger, S.; Behr-Roussel, D.; Gorny, D.; Lebret, T.; Denys, P.; Bernabe, J.; Giuliano, F. (European Urology Supplements, 2008)