How cesium-137 was discovered by an undergraduate student.
Patton
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D002588:Cesium Radioisotopes / Q000266:history*; D002621:Chemistry / Q000266:history; D049673:History, 20th Century; D006801:Humans; D009683:Nuclear Medicine / Q000266:history; D014481:United States
D002588:Cesium Radioisotopes