TY - GEN AU - STANTON,L AU - LIGHTFOOT,D A TI - A new ionization chamber system for regularly checking x-ray therapy machines SN - 0033-8419 PY - 1998///1101 KW - Equipment and Supplies KW - Humans KW - Radiation Protection KW - Radiotherapy KW - supply & distribution KW - X-Ray Therapy N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/78.5.790 ER -