RT Journal Article SR Electronic T1 Physics in Nuclear Medicine JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1168 OP 1168 DO 10.2967/jnumed.113.123125 VO 54 IS 7 A1 William D. Erwin YR 2013 UL http://jnm.snmjournals.org/content/54/7/1168.1.abstract AB