title: PHOTOMULTIPLIER "FATIGUE" EFFECTS.
mesh_terms: D005459:Fluorides; D006801:Humans; D008094:Lithium; D011871:Radiology; D011874:Radiometry; D013672:Technology; D013679:Technology, Radiologic
chemical_list: D008094:Lithium; D005459:Fluorides
keywords: FLUORIDES; LITHIUM; RADIOMETRY; TECHNOLOGY, RADIOLOGIC