Venous thromboembolic disease and ABO blood type. A cooperative study.
D000017:ABO Blood-Group System; D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects; D005260:Female; D006801:Humans; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000453:epidemiology; D011644:Puerperal Disorders / Q000453:epidemiology; D013548:Sweden; D013923:Thromboembolism / Q000139:chemically induced / Q000453:epidemiology*; D006113:United Kingdom; D014481:United States
D000017:ABO Blood-Group System; D003276:Contraceptives, Oral