RT Journal Article SR Electronic T1 Clinical Evaluation of Processing Techniques for Attenuation Correction with 137Cs in Whole-Body PET Imaging JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1257 OP 1263 VO 40 IS 8 A1 François Bénard A1 Robin J. Smith A1 Roland Hustinx A1 Joel S. Karp A1 Abass Alavi YR 1999 UL http://jnm.snmjournals.org/content/40/8/1257.abstract AB