ABO blood-groups and superficial puerperal thrombophlebitis.
D000017:ABO Blood-Group System; D005260:Female; D006801:Humans; D011247:Pregnancy; D011644:Puerperal Disorders / Q000453:epidemiology*; D012606:Scotland; D013924:Thrombophlebitis / Q000453:epidemiology*
D000017:ABO Blood-Group System