The recognition of Hageman deficiency in blood donors.
The laboratory findings on a blood donor whose blood coagulation time was greatly prolonged are described. The defect was caused by a deficiency of Hageman (contact) factor, the nature of the defect being demonstrated by a simple glass adsorption test using normal serum.
D001777:Blood Coagulation; D001782:Blood Donors; D004194:Disease; D005898:Glass; D006801:Humans
BLOOD COAGULATION; BLOOD DONORS/diseases