title: The latitudinal variations of  55 Fe in man and cattle.
mesh_terms: D000388:Air / Q000032:analysis; D000398:Air Pollution, Radioactive; D000818:Animals; D002417:Cattle; D004463:Ecology; D004787:Environmental Pollution; D005843:Geography; D006207:Half-Life; D006801:Humans; D007503:Iron Isotopes / Q000032:analysis / Q000097:blood / Q000378:metabolism*; D011834:Radiation Monitoring; D011847:Radioactive Fallout
chemical_list: D007503:Iron Isotopes; D011847:Radioactive Fallout