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Nguyen, M.P. (author), Goorden, M.C. (author), Ramakers, R.M. (author), Beekman, F.J. (author)The use of multi-pinhole collimation has enabled ultra-high-resolution imaging of SPECT and PET tracers in small animals. Key for obtaining high-quality images is the use of statistical iterative image reconstruction with accurate energy-dependent photon transport modelling through collimator and detector. This can be incorporated in a system...journal article 2021