title: Assay of factor VIII concentrates: comparison of the chromogenic and two-stage clotting assays.
mesh_terms: D001780:Blood Coagulation Tests; D002863:Chromogenic Compounds; D005169:Factor VIII / Q000032:analysis* / Q000627:therapeutic use; D006801:Humans; D008722:Methods
chemical_list: D002863:Chromogenic Compounds; D005169:Factor VIII