1. United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR),Sources and effects of Ionising Radiation, 1992.
2. Barnes, E.,Paediatric CT won’t stop growing but dose can be minimised, Aunt Minnie. 2004.
3. Hopper, K.D., Nueman J.D., King, S.H. and Kunselman, A.R.,Radioprotection to the eye during CT Scanning, AJNR Am J Nueroradiol. 22.: 1194–1198, 2001.
4. Thomson, J.E.M. and Tingey, D.R.C.,Radiation dose from Computed tomography in Australia, Australian Radiation Laboratory (ARL/TR). 123, Nov 1997.
5. Perez, C.A. and Brady, L.W.,Principles and Practice of Radiation Oncology, JB Lippincott, Philadelphia, 1992.