title: Immunogenetics of an antigen identified in both sheep and cattle sera.
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis*; D002417:Cattle / Q000276:immunology*; D007126:Immunoglobulin Allotypes; D012756:Sheep / Q000276:immunology*; D013045:Species Specificity
chemical_list: D000941:Antigens; D007126:Immunoglobulin Allotypes