“ Acceptable image quality can be obtained for chest CT images acquired at 40 mAs by using ASIR wihout any substantial artifacts affecting diagnostic confidence.”
Adaptive Statistical Iterative Reconstruction Technique for Radiation Dose Reduction in Chest CT: A Pilot Study
Singh S et al.
Radiology 2011; 259:565-573

“ CT radiation dose reduction to 3.5 mGy is achievable for ASIR-enabled chest CT while maintaining acceptable image noise and diagnostic confidence.”
Adaptive Statistical Iterative Reconstruction Technique for Radiation Dose Reduction in Chest CT: A Pilot Study
Singh S et al.
Radiology 2011; 259:565-573