title: Weak Lu9 antigen in one Lu:-6 member of a family.
mesh_terms: D000328:Adult; D001789:Blood Group Antigens; D003298:Coombs Test; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006801:Humans; D007125:Immunogenetics; D007231:Infant, Newborn; D011247:Pregnancy
chemical_list: D001789:Blood Group Antigens