epithelioid and giant-cell granulomas were present in a substantial proportion the footpads and in bowel or mesenteric lymph nodes of a proportion of given each fresh crohn 's homogenate by any of these routes 15-17 months after inoculation , but were not present in mice given non-crohn 's or autoclaved crohn 's homogenate .
C0021853
bowel
C0010346
crohn 's