| 1. | Aaron's son Herve said Roentgen is back in fashion.
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| 2. | Today's occupational exposure limit is 5 roentgens per year.
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| 3. | Sobolev said it could emit radiation of up to 500 roentgens.
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| 4. | The sweeping ballads of Roentgen mask a much more solemn message.
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| 5. | With Roentgen's discovery, the world was changed.
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| 6. | The Roentgens were also known for their innovative mechanical devices.
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| 7. | The uses of the rays far exceed anything Roentgen imagined.
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| 8. | Students marched by torchlight to Roentgen's Wurzburg home.
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| 9. | Roentgen himself went on trying the versatility of the rays.
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| 10. | A radiation dose of about two roentgens a year is considered acceptable.
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