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References
- ↑ "About ARRS". American Roentgen Ray Society. Archived from the original on 2010-07-11. Retrieved 2009-09-20.
- ↑ "Lifelong Learning Center". American Roentgen Ray Society. Retrieved 2009-09-20.
- ↑ "No Danger In X-Rays Now. American Roentgen Ray Society Discusses Improvements In Treatment" (PDF). The New York Times. December 29, 1908. Retrieved 2009-09-20.
