Radiocarbon in contemporaneous plant products.
D002244:Carbon; D002250:Carbon Radioisotopes; D019597:Flax; D010944:Plants; D011847:Radioactive Fallout; D011851:Radioactivity
D002250:Carbon Radioisotopes; D011847:Radioactive Fallout; D002244:Carbon
CARBON/radioactive; PLANTS; RADIOACTIVE FALLOUT