title: Technetium 99m isotope venography.
mesh_terms: D006801:Humans; D007866:Leg / Q000098:blood supply*; D010690:Phlebography; D011655:Pulmonary Embolism / Q000175:diagnosis; D011877:Radionuclide Imaging; D012588:Scintillation Counting; D013667:Technetium; D013924:Thrombophlebitis / Q000175:diagnosis*
chemical_list: D013667:Technetium