1Massoumzadeh P, Don S, Hildebolt, et al. Validation of CT dosereduction simulation[J]. Med Phys, 2009,36(1):174-189.
2Bai M, Chen J, Raupach R, et al. Effect of nonlinear three- dimensional optimized reconstruction algorithm filter on image quality and radiation dose:vafidation on phantoms[J]. Med phys, 2009,36( 1 ):95-97.
3Prasad SR, Wittram C, Shepard JA, et al. Standard-dose and 50%-reduced-dose ccest CT:comparing the effect on image quality[J]. AJR, 2002,179(2):461-465.