On a new source of x-rays.
D006801:Humans; D007455:Iodine; D007457:Iodine Radioisotopes; D011859:Radiography; D011868:Radioisotopes; D014965:X-Rays
D007457:Iodine Radioisotopes; D011868:Radioisotopes; D007455:Iodine
IODINE/radioactive; RADIOGRAPHY