title: Letter: Call a spade a spade.
mesh_terms: D001921:Brain / Q000098:blood supply; D006801:Humans; D007457:Iodine Radioisotopes; D007668:Kidney / Q000098:blood supply; D008102:Liver Circulation; D012039:Regional Blood Flow; D009626:Terminology as Topic
chemical_list: D007457:Iodine Radioisotopes