The measurement of X-ray beam size from dental panoramic radiography equipment /
Holroyd, J. R.(John Richard),1979-
Health Protection Agency (Great Britain).Centre for Radiation, Chemical and Environmental Hazards.
London : Health Protection Agency,
2012.
"HPA-CRCE-032"--P. [i].
Title from cover.
Includes bibliographical references.
X-rays
Teeth