title: Multiple polymorphism in relation to histocompatibility antigens.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D000939:Epitopes; D005815:Genetic Code; D006649:Histocompatibility Antigens; D006801:Humans; D007109:Immunity; D007136:Immunoglobulins; D051379:Mice; D011110:Polymorphism, Genetic; D013045:Species Specificity; D014714:Vertebrates
chemical_list: D000939:Epitopes; D006649:Histocompatibility Antigens; D007136:Immunoglobulins