title: Aims and methods in comparative immunology.
mesh_terms: D000486:Allergy and Immunology / Q000639:trends*; D000663:Amphibians; D000818:Animals; D001717:Birds; D002417:Cattle; D005399:Fishes; D006649:Histocompatibility Antigens / Q000235:genetics; D007154:Immune System Diseases / Q000209:etiology / Q000276:immunology / Q000469:parasitology; D007111:Immunity, Cellular; D007136:Immunoglobulins / Q000096:biosynthesis; D007158:Immunologic Techniques; D007313:Insecta; D008974:Mollusca; D009348:Nematoda; D009835:Oligochaeta; D011487:Protein Conformation; D012104:Reptiles; D013724:Teratoma / Q000196:embryology / Q000276:immunology
chemical_list: D006649:Histocompatibility Antigens; D007136:Immunoglobulins