title: Reduction of abnormal background levels in LiF-teflon thermoluminescent dosimeters.
mesh_terms: D001417:Background Radiation; D005461:Fluorine; D008094:Lithium; D011138:Polytetrafluoroethylene; D011827:Radiation; D011851:Radioactivity; D013819:Thermoluminescent Dosimetry
chemical_list: D005461:Fluorine; D011138:Polytetrafluoroethylene; D008094:Lithium