title: Variation of direct plutonium contamination in Danish cereal grains.
mesh_terms: D000512:Alpha Particles; D001939:Bread / Q000032:analysis; D003718:Denmark; D004032:Diet; D002523:Edible Grain / Q000032:analysis; D005507:Food Contamination, Radioactive / Q000032:analysis; D011005:Plutonium / Q000032:analysis; D011847:Radioactive Fallout
chemical_list: D011847:Radioactive Fallout; D011005:Plutonium