The correlation between ABO blood groups and allergic disorders.
D000017:ABO Blood-Group System; D001249:Asthma / Q000453:epidemiology; D003876:Dermatitis, Atopic / Q000453:epidemiology; D004534:Egypt; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology* / Q000209:etiology*; D008881:Migraine Disorders / Q000453:epidemiology; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology; D014581:Urticaria / Q000453:epidemiology
D000017:ABO Blood-Group System