title: A portable electronic system equipped with an ionization chamber filled with a liquid equivalent to the biological tissue.
mesh_terms: D000473:Alkanes; D001608:Beryllium; D001698:Biomedical Engineering; D004566:Electrodes; D004582:Electronics, Medical / Q000295:instrumentation*; D004735:Energy Transfer; D006801:Humans; D008697:Methane; D009502:Neutrons; D011522:Protons; D011874:Radiometry / Q000295:instrumentation*
chemical_list: D000473:Alkanes; D011522:Protons; D008697:Methane; D001608:Beryllium