Extrapolation ionisation chamber.
D004583:Electrons; D006283:Health Physics; D007477:Ions; D011874:Radiometry / Q000295:instrumentation*; D011878:Radiotherapy; D013460:Sulfur Isotopes; D015020:Yttrium Isotopes
D007477:Ions; D013460:Sulfur Isotopes; D015020:Yttrium Isotopes