title: C4 polymorphism and HLA linkage: studies in a family with hereditary C4 deficiency.
mesh_terms: D003181:Complement C4 / Q000172:deficiency* / Q000235:genetics*; D005260:Female; D005796:Genes; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics*; D006650:Histocompatibility Testing; D006801:Humans; D008297:Male; D010375:Pedigree; D010641:Phenotype; D011110:Polymorphism, Genetic
chemical_list: D003181:Complement C4; D006680:HLA Antigens