RT Journal Article SR Electronic T1 Computed Tomography: from Photon Statistics to Modern Cone-Beam CT JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1194 OP 1194 DO 10.2967/jnumed.109.064501 VO 50 IS 7 A1 Pan, Tinsu YR 2009 UL http://jnm.snmjournals.org/content/50/7/1194.abstract AB