title: Kell types in Down's syndrome.
mesh_terms: D001789:Blood Group Antigens; D002874:Chromosome Mapping; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000097:blood*; D006801:Humans; D007106:Immune Sera
chemical_list: D001789:Blood Group Antigens; D007106:Immune Sera