Calibration of thimble chambers in a 34 MV roentgen beam.
D003036:Cobalt Isotopes; D007501:Iron; D009502:Neutrons; D013431:Sulfates; D013679:Technology, Radiologic / Q000295:instrumentation*; D014867:Water
D003036:Cobalt Isotopes; D013431:Sulfates; D014867:Water; D007501:Iron