title: Chido and Rodgers blood groups: relationship to C4 and HLA.
mesh_terms: D001789:Blood Group Antigens; D003181:Complement C4 / Q000235:genetics*; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics*; D006801:Humans; D007122:Immunoelectrophoresis
chemical_list: D001789:Blood Group Antigens; D003181:Complement C4; D006680:HLA Antigens