| 31. | Unfortunately, Roentgen furniture costs a fortune.
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| 32. | Twenty roentgens per hour is considered safe.
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| 33. | Shingaryov added that until 2000 the exposure of up to 5 roentgens was considered normal.
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| 34. | The article in question is Rui Roentgen.
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| 35. | The roentgen pictures proved that parts of the skeleton still remained hidden inside the stone.
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| 36. | The era of imaging began with the discovery of X-rays by William Roentgen.
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| 37. | But it was not long before Herr Doktor Roentgen leaped off the bandwagon he had created.
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| 38. | The dosimetric devices on these helicopters measured radiation levels of up to 500 roentgens an hour.
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| 39. | "Roentgen was always the pinnacle, " said Leon Dalva of Dalva Brothers.
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| 40. | David Roentgen was a good salesman.
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