An evaluation of lead foil in dental X-ray film packets. 2. The effect of back-scattered radiation on radiographic contrast when the density is maintained at an optimum level

@article{Price1972AnEO,
  title={An evaluation of lead foil in dental X-ray film packets. 2. The effect of back-scattered radiation on radiographic contrast when the density is maintained at an optimum level},
  author={Colin Price},
  journal={British Dental Journal},
  year={1972},
  volume={133},
  pages={343-346}
}