P12 OAB AND IC/PBS TREATMENTWednesday, 18 March, 14.30-16.00, Room A7192 THE ZURICH EXPERIENCES INCLUDING 7 YEAR RESULTS OF 220 CASES TREATED WITH BOTULINUM -A TOXIN INJECTIONS INTO THE DETRUSOR MUSCLE FOR OVERACTIVE BLADDER REFRACTORY TO ANTICHOLINERGICS