title: COLLIMATOR EFFICIENCY AND DESIGN. I. COLLIMATOR EFFICIENCY.
mesh_terms: D003201:Computers; D011868:Radioisotopes; D011874:Radiometry; D011877:Radionuclide Imaging; D012106:Research
chemical_list: D011868:Radioisotopes
keywords: COMPUTERS; EXPERIMENTAL LAB STUDY; RADIOISOTOPE SCANNING; RADIOMETRY