title: [Artificial deficient plasma for the determination of the activity of coagulation factor XI].
mesh_terms: D001780:Blood Coagulation Tests / Q000379:methods*; D005172:Factor XI / Q000032:analysis*; D005173:Factor XI Deficiency / Q000097:blood*; D005859:Germany, East; D006801:Humans; D010949:Plasma / Q000032:analysis*
chemical_list: D005172:Factor XI
vernacular_title: Artifizielles Mangelplasma zur Bestimmung der Aktivität des Gerinnungsfaktors XI.