title: New perspectives in localizing enlarged parathyroids by technetium-thallium subtraction scan.
mesh_terms: D000236:Adenoma / Q000000981:diagnostic imaging*; D006801:Humans; D010282:Parathyroid Neoplasms / Q000000981:diagnostic imaging*; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013382:Subtraction Technique; D013667:Technetium; D013793:Thallium
chemical_list: D011868:Radioisotopes; D013667:Technetium; D013793:Thallium