serum
The levels       of IL-6 and sIL-6R in organ cultures, but not those in the serum, showed a       significantly positive correlation with the degree of clinical disease activity       in patients with IBD.
The levels       of IL-6 and  @OBJECT$ -6R in organ cultures, but not those  @PREDICAT$  the  @SUBJECT$ , showed a       significantly positive correlation with the degree of clinical disease activity       in patients with IBD.