RT Journal Article SR Electronic T1 Living with Radiation: The Risk, the Promise JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 566 OP 566 VO 30 IS 4 A1 Ernstthal, Henry L. YR 1989 UL http://jnm.snmjournals.org/content/30/4/566.1.abstract AB