RT Journal Article SR Electronic T1 Validation of the Circular Harmonic Transform (CHT) Algorithm for Quantitative SPECT JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 141 OP 150 VO 32 IS 1 A1 Hawkins, William G. A1 Yang, Nai-Chuen A1 Leichner, Peter K. YR 1991 UL http://jnm.snmjournals.org/content/32/1/141.abstract AB