title: Comparative studies of human C4 phenotypes, their population genetics, and association with HLA-B antigens.
mesh_terms: D000818:Animals; D003181:Complement C4 / Q000235:genetics*; D006680:HLA Antigens / Q000235:genetics*; D006720:Homozygote; D006801:Humans; D010375:Pedigree; D010641:Phenotype; D011110:Polymorphism, Genetic; D011153:Population; D014176:Protein Biosynthesis; D012756:Sheep
chemical_list: D003181:Complement C4; D006680:HLA Antigens