TY  - RPRT
TI  - An attenuated projector-backprojector for iterative SPECT reconstruction.
AU  - G T Gullberg
AU  - R H Huesman
AU  - J A Malko
AU  - N J Pelc
AU  - T F Budinger
PY  - 1985
DO  - 10.1088/0031-9155/30/8/004
UR  - https://pubmed.ncbi.nlm.nih.gov/3840265/
ID  - 3840265
ER  -