title: Commentary.
authors.affiliation: Special Coagulation Laboratory and Comprehensive Hemophilia Center, Mayo Clinic, Rochester, MN. nichols.william@mayo.edu.
authors.forename: William L
authors.initials: WL
authors.lastname: Nichols
mesh_terms: D025861:Blood Coagulation Disorders, Inherited / Q000175:diagnosis*; D005260:Female; D006801:Humans; D014842:von Willebrand Diseases / Q000175:diagnosis*; D014841:von Willebrand Factor / Q000235:genetics*
chemical_list: D014841:von Willebrand Factor