RT Journal Article SR Electronic T1 Radiation Hormesis JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 350 OP 359 VO 32 IS 2 A1 Macklis, Roger M. A1 Beresford, Beverly YR 1991 UL http://jnm.snmjournals.org/content/32/2/350.abstract AB