faecal excretion of 111in labelled leucocytes was increased in patients with inflammatory bowel disease according to disease severity and correlated with disease activity assessed by serum c-reactive protein levels ( r = 0.74 , p less than 0.001 ) or in those patients with crohn 's disease by crohn 's disease activity index ( r = 0.78 , p less than 0.001 ) .
C0021390
inflammatory bowel disease
C0010346
crohn 's