Lithium fluoride: an inexpensive calibration check for the general hospital.
D005459:Fluorides; D006769:Hospitals, General; D008094:Lithium; D011882:Radiotherapy, High-Energy / Q000592:standards; D013819:Thermoluminescent Dosimetry / Q000295:instrumentation*
D008094:Lithium; D005459:Fluorides