RT Journal Article SR Electronic T1 Attenuation Correction in Dosimetry JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1596 OP 1596 VO 41 IS 9 A1 De Geeter, Frank YR 2000 UL http://jnm.snmjournals.org/content/41/9/1596.1.abstract AB