| 11. | Residues from the gas industry often contain radium and its daughters.
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| 12. | They win, but Donohue succumbs to radium's effects.
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| 13. | She was elected president of the American Radium Society in 1954.
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| 14. | He performed early work on the therapeutic use of Radium emanation.
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| 15. | His efforts in 1913 began to be used in gynecology radium.
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| 16. | He said the accused had lead canisters of radium in their possession.
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| 17. | The source of the radium found at the base is still unknown.
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| 18. | Radium was the most radioactive substance the Curies had encountered.
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| 19. | Wristwatches with radium-painted luminous dials became a fad almost overnight.
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| 20. | But the radium put in his neck was used only for cancer.
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