title: Complement genetics in relation to HLA.
mesh_terms: D003175:Complement C2 / Q000235:genetics; D003181:Complement C4 / Q000235:genetics; D003165:Complement System Proteins / Q000172:deficiency / Q000235:genetics*; D005796:Genes; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics*; D006801:Humans; D011110:Polymorphism, Genetic
chemical_list: D003175:Complement C2; D003181:Complement C4; D006680:HLA Antigens; D003165:Complement System Proteins