Intrathecal antibody production against Chlamydia pneumoniae in multiple sclerosis is part of a polyspecific immune response. - Derfuss,T.; Gurkov,R.; Then,B.F.; Goebels,N.; Hartmann,M.; Barz,C.; Wilske,B.; Autenrieth,I.; Wick,M.; Hohlfeld,R.; Meinl,E. (Brain, 2001)