Thoraeus filters /thôrē′əs/ , a combination of metals, usually tin, copper, and aluminum, used to modify the quality of orthovoltage x-ray beams and thus improve their penetrating ability.
Thoraeus filters
Thoraeus filters /thôrē′əs/ , a combination of metals, usually tin, copper, and aluminum, used to modify the quality of orthovoltage x-ray beams and thus improve their penetrating ability.