peripheral blood mononuclear cells ( mnc ) from most healthy donors showed low , but significant levels of cytotoxicity for normal epithelial cell target cells of 8.7 ( 4.4 ) % ( mean ( sd ] and similar levels were found in 14 ulcerative colitis ( 6.5 ( 4.4 ) % ) and 16 crohn 's disease ( 6.2 ( 5.2 ) % ) patients .
C1321301
peripheral blood mononuclear cells
C0007634
normal