Assay of plasma thromboplastin antecedent (PTA) with artificially depleted normal plasma.
D001681:Biological Assay; D001779:Blood Coagulation Factors; D005172:Factor XI; D006467:Hemophilia A; D010949:Plasma
D001779:Blood Coagulation Factors; D005172:Factor XI
BLOOD COAGULATION FACTORS; HEMOPHILIA