Radioisotopes in Medicine

<i>Radioisotopes in Medicine</i>, published in 1966, is an educational booklet by Earl W. Phelan, part of the <i>Understanding the Atom</i> series by the United States Atomic Energy Commission. It explains the diagnostic and therapeutic applications of radioactive isotopes, such as technetium 99m and iodine 131, in a manner accessible to the general public. The booklet serves as an important resource for understanding the role of radioisotopes in modern medicine.