Erratum for vol. 97, p. 669

In the article by Nogami et al entitled “Circulating factor VIII immune complexes in patients with type 2 acquired hemophilia A and protection from activated protein C–mediated proteolysis,” which appeared in the February 1, 2001, issue ofBlood (Volume 97:669-677), 3 column heads in Table 1 should have read FVIII:C, FVIII:Ag, and Anti-FVIII:C.