title: Letter: Von Wollebrand's disease.
mesh_terms: D001803:Blood Transfusion; D005169:Factor VIII / Q000096:biosynthesis; D006579:Heterozygote; D006720:Homozygote; D014842:von Willebrand Diseases / Q000097:blood* / Q000235:genetics / Q000276:immunology
chemical_list: D005169:Factor VIII