RT Journal Article SR Electronic T1 Performance of Ordered-Subset Reconstruction Algorithms Under Conditions of Extreme Attenuation and Truncation in Myocardial SPECT JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 737 OP 744 VO 41 IS 4 A1 David S. Lalush A1 Benjamin M.W. Tsui YR 2000 UL http://jnm.snmjournals.org/content/41/4/737.abstract AB