A 4% solution of bovine serum albumin may be used in place of factor VIII:C deficient plasma in the control sample in the Nijmegen Modification of the Bethesda factor VIII:C inhibitor assay - Verbruggen,B.; van Heerde,W.; Novákovà,I.; Lillicrap,D.; Giles,A. (Thromb Haemost, 2002)