title: Re: Preoperative technetium-99m imaging of a substernal parathyroid adenoma.
mesh_terms: D000236:Adenoma / Q000000981:diagnostic imaging*; D006801:Humans; D010282:Parathyroid Neoplasms / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium