RT Journal Article SR Electronic T1 Photon Spectra of 125I and 129I JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 246 OP 247 VO 16 IS 3 A1 William H. Oldendorf YR 1975 UL http://jnm.snmjournals.org/content/16/3/246.abstract AB