Chido and Rodgers blood groups are distinct antigenic components of human complement C4.
D000483:Alleles; D001789:Blood Group Antigens; D003181:Complement C4 / Q000235:genetics; D000939:Epitopes; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics*; D006801:Humans; D010375:Pedigree; D011110:Polymorphism, Genetic
D001789:Blood Group Antigens; D003181:Complement C4; D000939:Epitopes; D006680:HLA Antigens