Variation of cell-associated activity over first 5 hours in all subjects. The whole blood counts are adjusted for radiolabel in the plasma and the resulting cell counts expressed as a percentage of the injected activity. Panel A corresponds to cells coated with Fog-1 G1 and panel B to cells coated with Fog-1 G1Δnab. In both parts, ^99mTc-labeling is indicated by open symbols and ⁵¹Cr-labeling by closed symbols.