RT Journal Article SR Electronic T1 New Tool for Nuclear Medicine Patient Release Calculations JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 14N OP 14N VO 50 IS 6 A1 Michael Stabin A1 Carol Marcus A1 Jeffry Siegel YR 2009 UL http://jnm.snmjournals.org/content/50/6/14N.abstract AB