The use of an ethylene-filled polythene chamber for dosimetry of megavoltage x-rays.
D005030:Ethylenes; D006801:Humans; D020959:Polyethylene; D011874:Radiometry; D014965:X-Rays
D005030:Ethylenes; D020959:Polyethylene; C036216:ethylene
ETHYLENE; RADIOMETRY