RT Journal Article SR Electronic T1 Liver Scanning in the Assessment of Liver Damage from Therapeutic External Irradiation JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 761 OP 772 VO 7 IS 10 A1 James A. Usselman YR 1966 UL http://jnm.snmjournals.org/content/7/10/761.abstract AB