Caselli, Michele Segmented filamentous bacteria-like organisms in histological slides of ileo-cecal valves in patients with ulcerative colitis. [electronic resource] - The American journal of gastroenterology May 2013 - 860-1 p. digital Publication Type: Letter ISSN: 1572-0241 Standard No.: 10.1038/ajg.2013.61 doi Subjects--Topical Terms: AnimalsColitis, Ulcerative--microbiologyGram-Positive Bacteria--isolation & purificationHumansIleocecal Valve--microbiologyMiceMicroscopy, Electron