Efficacy and safety of repeated intrathecal triamcinolone acetonide application in progressive multiple sclerosis patients. - Hoffmann,V.; Schimrigk,S.; Islamova,S.; Hellwig,K.; Lukas,C.; Brune,N.; Pöhlau,D.; Przuntek,H.; Muller,T. (J Neurol Sci, 2003)