131 COMBINED EFFECT OF A PHOSPHODIESTERASE 5 INHIBITOR, UDENAFIL, WITH AN ANTIMUSCARINIC, OXYBUTYNIN ON HUMAN DETRUSOR RELAXATION - Oger, S.; Behr-Roussel, D.; Gorny, D.; Chartier-Kastler, E.; Validire, P.; Alexandre, L.; Giuliano, F. (European Urology Supplements, 2010)