title: Preoperative gland localization by 201thallium and 99mtechnetium subtraction scintigraphy in persistent secondary hyperparathyroidism.
mesh_terms: D005260:Female; D006801:Humans; D006962:Hyperparathyroidism, Secondary / Q000000981:diagnostic imaging* / Q000601:surgery; D008875:Middle Aged; D010280:Parathyroid Glands / Q000000981:diagnostic imaging* / Q000601:surgery; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013793:Thallium
chemical_list: D011868:Radioisotopes; D013670:Sodium Pertechnetate Tc 99m; D013793:Thallium