title: COMPARISON OF COINCIDENCE COUNTING AND FOCUSING COLLIMATORS WITH VARIOUS ISOTOPES IN BRAIN TUMOUR DETECTION.
mesh_terms: D055592:Biophysical Phenomena; D001703:Biophysics; D001921:Brain; D001932:Brain Neoplasms; D006801:Humans; D007554:Isotopes; D009369:Neoplasms / Q000175:diagnosis*; D011868:Radioisotopes; D011877:Radionuclide Imaging
chemical_list: D007554:Isotopes; D011868:Radioisotopes
keywords: BIOPHYSICS; BRAIN NEOPLASMS; NEOPLASM DIAGNOSIS; RADIOISOTOPE SCANNING