Erratum for Fraser et al entitled Maturation and enucleation of primitive erythroblasts during mouse embryogenesis is accompanied by changes in cell-surface antigen expression

In the article by Fraser et al entitled “Maturation and enucleation of primitive erythroblasts during mouse embryogenesis is accompanied by changes in cell-surface antigen expression,” which appeared in the January 1, 2007, issue of Blood (Volume 109: 343-352), the y-axis in Figure 6C should have read “%GFP⁺ cells in circulating blood.”