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Subjects
- Radiography -- instrumentation[remove]10
- Technology, Radiologic -- instrumentation6
- United States3
- X-Rays3
- United States. Department of Health and Human Services2
- United States. Food and Drug Administration2
- Device Approval -- standards1
- Electrical Equipment and Supplies -- classification1
- Electrical Equipment and Supplies -- standards1
- Equipment Safety -- standards1
- Fluoroscopy -- instrumentation1
- Morton, William J. (William James), 1846-1920.1
- Photography -- methods1
- Product Labeling -- standards1
- Radiation Dosage1
- Radiation Exposure -- adverse effects1
- Radiation Exposure -- standards1
- Radiography -- adverse effects1
- Radiography -- classification1
- Radiography -- methods1