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