Impossible to find with a medical X-ray.

The doses of radiation most received were small - less than that commonly received in medical X-rays today.

Along with their tremendous value, medical X-rays have a drawback: they expose people to radiation.

Current estimates attribute nearly 35 percent of all radiation exposure to medical X-rays.

Radiation dose per person from medical X-rays has increased almost 500 percent since 1982.

Consumers have an important role in reducing radiation risks from medical X-rays.

- Developed an image intensifier screen that significantly reduced exposure to medical X-rays.

Jim Kay, the company's vice president, said the process is better than medical X-rays, such as the ones used by the leagues, for bat checking.

Film is still a big seller for medical X-rays, which must be kept for years.

Ray Proof started as a supplier of medical X-ray shielding in 1932.