RT Journal Article SR Electronic T1 Enhancement of SPECT Images by Fourier Filtering the Projection Image Set JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 395 OP 402 VO 26 IS 4 A1 Madsen, Mark T. A1 Park, Chan H. YR 1985 UL http://jnm.snmjournals.org/content/26/4/395.abstract AB