Implementation of simultaneous attenuation and detector response correction in SPECT Tsui, B. M. W. ; Hu, H. -B. ; Gilland, D. R. ; Gullberg, G. T. Abstract Publication: IEEE Transactions on Nuclear Science Pub Date: February 1988 DOI: 10.1109/23.12831 Bibcode: 1988ITNS...35..778T