title: VARIATION IN THE RATIO OF STRONTIUM-89 TO STRONTIUM-90 IN PRECIPITATION SAMPLES WITH SAMPLING HEIGHT.
mesh_terms: D002980:Climate; D003718:Denmark; D011847:Radioactive Fallout; D012106:Research; D012621:Seasons; D013223:Statistics as Topic; D013324:Strontium; D013325:Strontium Isotopes; D013326:Strontium Radioisotopes
chemical_list: D011847:Radioactive Fallout; D013325:Strontium Isotopes; D013326:Strontium Radioisotopes; D013324:Strontium
keywords: DENMARK; EXPERIMENTAL LAB STUDY; RADIOACTIVE FALLOUT; SEASONS; STATISTICS; STRONTIUM ISOTOPES