RT Journal Article SR Electronic T1 Survey of Patient Release Information on Radiation and Security Checkpoints JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 14N OP 23N VO 48 IS 12 A1 Katz, Luba A1 Ansari, Armin YR 2007 UL http://jnm.snmjournals.org/content/48/12/14N.abstract AB