The platelet aggregation defect in the von Willebrand-Jürgens-Syndrom on the Aland Islands. The possible existence of an "anti-Willebrand-Factor".
D000017:ABO Blood-Group System; D000293:Adolescent; D000937:Antigen-Antibody Reactions; D001779:Blood Coagulation Factors; D001780:Blood Coagulation Tests; D001791:Blood Platelet Disorders / Q000235:genetics*; D005260:Female; D005387:Finland; D006801:Humans; D013548:Sweden; D014842:von Willebrand Diseases / Q000235:genetics*
D000017:ABO Blood-Group System; D001779:Blood Coagulation Factors