title: Further studies of transferrins of the arctic ground squirrel Spermophilus undulatus (rodentia: sciuridae).
mesh_terms: D000413:Alaska; D000818:Animals; D005075:Biological Evolution; D001797:Blood Protein Electrophoresis; D002170:Canada; D006579:Heterozygote; D006720:Homozygote; D007503:Iron Isotopes; D012589:Sciuridae; D014168:Transferrin
chemical_list: D007503:Iron Isotopes; D014168:Transferrin