title: A comparison of GE(Li) detectors with different efficiencies for low-level general purpose counting.
mesh_terms: D005857:Germanium; D006801:Humans; D008094:Lithium; D011829:Radiation Dosage; D011851:Radioactivity; D011868:Radioisotopes / Q000032:analysis; D011874:Radiometry / Q000295:instrumentation*
chemical_list: D011868:Radioisotopes; D005857:Germanium; D008094:Lithium