an indirect immunofluorescence assay was used to test sera of 63 unrelated patients with crohn 's disease , 21 with ulcerative colitis and 36 control subjects against lymph nodes of athymic nude ( nu/nu ) mice which had been injected with crohn 's disease and ulcerative colitis intestinal tissue filtrates .
C0009324
ulcerative colitis
C0009319
colitis