title: Isolation and physico-chemical characterization of bovine serum and colostral immunoglobulin G (IgG) subclasses--a comment.
mesh_terms: D000818:Animals; D000941:Antigens; D002417:Cattle; D003126:Colostrum / Q000276:immunology*; D007074:Immunoglobulin G / Q000032:analysis*
chemical_list: D000941:Antigens; D007074:Immunoglobulin G