title: Letter: Radionuclide venography.
mesh_terms: D006801:Humans; D007866:Leg / Q000098:blood supply*; D011152:Popliteal Vein; D011877:Radionuclide Imaging; D013667:Technetium; D013924:Thrombophlebitis / Q000175:diagnosis*
chemical_list: D013667:Technetium