title: The major histocompatibility complex: a key to a better understanding of evolution.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002415:Cats; D003165:Complement System Proteins / Q000235:genetics; D003429:Cross Reactions; D004285:Dogs; D005796:Genes; D005828:Genetics, Population; D006650:Histocompatibility Testing; D006801:Humans; D007111:Immunity, Cellular; D008285:Major Histocompatibility Complex; D051379:Mice; D011110:Polymorphism, Genetic; D013045:Species Specificity; D014180:Transplantation
chemical_list: D003165:Complement System Proteins