title: Preformed natural antibodies in animals and man. Outlook on xenotransplantation.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D002335:Carnivora; D002415:Cats; D002417:Cattle; D004285:Dogs; D006041:Goats; D006168:Guinea Pigs; D000882:Haplorhini; D006736:Horses; D006801:Humans; D007106:Immune Sera; D051379:Mice; D011323:Primates; D011817:Rabbits; D051381:Rats; D012377:Rodentia; D012756:Sheep; D013045:Species Specificity; D013552:Swine; D014183:Transplantation, Heterologous
chemical_list: D007106:Immune Sera