Changes in blood pressure (mean and SD, n = 3) induced by IVIG-E fresh (see Figure 4A), IVIG-E aged (increased dimer content, see Figure 4A), IVIG-E aged after pH 4 treatment (see Figure4B) and by IVIG-P.

Furthermore, the effect of rPAF-AH pretreatment of the rats on the hypotensive effect of IVIG-E and IVIG-P. The IVIG product codes correspond to that in Table 1.