title: A comparison of two methods for measurement of von Willebrand's factor (ristocetin cofactor)
mesh_terms: D001779:Blood Coagulation Factors / Q000032:analysis*; D008722:Methods; D014841:von Willebrand Factor / Q000032:analysis*
chemical_list: D001779:Blood Coagulation Factors; D014841:von Willebrand Factor