Presence of intestinal Mycobacterium avium subspecies paratuberculosis (MAP) DNA is not associated with altered MMP expression in ulcerative colitis. - Rath, Timo; Roderfeld, Martin; Blöcher, Sonja; Rhode, Annika; Basler, Tina; Akineden, Ömer; Abdulmawjood, Amir; Halwe, Jörg M.; Goethe, Ralph; Bülte, Michael; Roeb, Elke (BMC Gastroenterology, 2011)