RT Journal Article SR Electronic T1 Comparing Filtered Backprojection and Ordered-Subsets Expectation Maximization for Small-Lesion Detection and Localization in 67Ga SPECT JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1391 OP 1399 VO 41 IS 8 A1 R. Glenn Wells A1 Michael A. King A1 Peter H. Simkin A1 Philip F. Judy A1 A. Bertrand Brill A1 Howard C. Gifford A1 Robert Licho A1 P. Hendrik Pretorius A1 Peter B. Schneider A1 David W. Seldin YR 2000 UL http://jnm.snmjournals.org/content/41/8/1391.abstract AB