RT Journal Article SR Electronic T1 New NRC Rule Spurred by Radiation Incidents JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 15N OP 19N VO 37 IS 6 A1 Deborah Kotz YR 1996 UL http://jnm.snmjournals.org/content/37/6/15N.abstract AB