Effect of IVIG on the leukocyte behavior in TNF-α–treated C57BL/6 wild-type mice. (A) Leukocyte rolling flux. (B) Leukocyte rolling flux fraction. (C) Number of adherent leukocytes per 100 μm. n = 5-6 mice per group in which 51-52 venules were analyzed. **P = .002.