1. Brenner DJ, McCollough C, Orton CG (2006) Is it time to retire the computed tomography dose index (CTDI) for CT quality assurance and dose optimisation? Med Phys 33:1189–1190
2. McCollough CH, Leng S, Yu L, Cody DD, Boone JM, McNitt-Gray MF (2011) CT dose index and patient dose: they are not the same thing. Radiology 259:311–316
3. American Association of Physicists in Medicine (2011) Size-specific dose estimates (SSDE) in pediatric and adult body CT examinations (Report 204).
https://www.aapm.org/pubs/reports/RPT_204.pdf
. Accessed Sept 22 2018
4. American Association of Physicists in Medicine (2014) Use of water equivalent diameter for calculating patient size and size-specific dose estimates (SSDE) in CT (Report 220).
https://www.aapm.org/pubs/reports/RPT_220.pdf
. Accessed Sept 22 2018
5. Craig O, O’ Neill S, O’Neill F et al (2012) Diagnostic accuracy of computed tomography using lower doses of radiation for patients with Crohn’s disease. Clin Gastroenterol Hepatol 10:886–892