title: SOME LONG-FOCUSING "DEPTH-INDEPENDENT" COLLIMATORS FOR IN-VIVO RADIOISOTOPE SCANNING.
mesh_terms: D004864:Equipment and Supplies; D006801:Humans; D011868:Radioisotopes; D011874:Radiometry; D011877:Radionuclide Imaging
chemical_list: D011868:Radioisotopes
keywords: EQUIPMENT AND SUPPLIES; RADIOISOTOPE SCANNING; RADIOMETRY