Dosimetric profile of HLA-Ia reactivity of IVIg from 3 Preparations. IVIg was diluted up to 1/512 and MFI was measured at all dilutions. Illustration of dosimetric HLA-A (A), HLA-B (B), and HLA-Cw (C) allelic reactivities of IVIg preparations. Percentage incidence of normal male sera is based on our earlier report.¹¹