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Standardized Uptake Value coloured SPECT/CT images of rats 24 h after injection of 197(m)HgCl2 (left, retention in kidneys) and 3 a* (right, rapid renal excretion with minor liver uptake followed by hepatobiliary clearance); maximum intensity projections (top) and coronal slice images (bottom); intestine (int), kidneys (ki), liver (li), rectum (re), stomach (st).
