title: Technetium calibration: an inherent error using scintillation crystals.
mesh_terms: D003036:Cobalt Isotopes; D007454:Iodides; D011874:Radiometry; D012964:Sodium; D013667:Technetium
chemical_list: D003036:Cobalt Isotopes; D007454:Iodides; D013667:Technetium; D012964:Sodium