VWF-related von Willebrand disease VWF-related quantitative von Willebrand disease https://github.com/monarch-initiative/mondo/issues/10494 MONDO:1060299 VWF-related quantitative von Willebrand disease VWF-related quantitative von Willebrand disease is characterized by decreased circulating VWF levels and impaired primary hemostasis, and includes both partial quantitative deficiency (von Willebrand disease type 1) and virtually complete quantitative deficiency (von Willebrand disease type 3).