title: Factors in blood grouping; blood types play vital role in medicine and marriage.
authors.forename: D F
authors.initials: DF
authors.lastname: LEVY
mesh_terms: D001789:Blood Group Antigens; D001788:Blood Grouping and Crossmatching; D006801:Humans; D008393:Marriage; D008511:Medicine; D010988:Play and Playthings
chemical_list: D001789:Blood Group Antigens