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Subjects
- Radiation Dosage[remove]3
- United States2
- Diagnostic Imaging -- adverse effects1
- Diagnostic Imaging -- methods1
- Dose-Response Relationship, Radiation1
- Embryo, Mammalian -- radiation effects1
- Equipment Safety -- standards1
- Fetus -- radiation effects1
- Pennsylvania1
- Pregnancy -- radiation effects1
- Product Labeling -- standards1
- Radiation Exposure -- adverse effects1
- Radiation Exposure -- standards1
- Radiation Injuries -- etiology1
- Radiation, Ionizing1
- Radiography -- adverse effects1
- Radiography -- instrumentation1
- Radiotherapy Dosage -- standards1
- Radium -- therapeutic use1
- United States. Department of Health and Human Services1