1Harrison RN, Farmer FT, The determination of anatominational crosssection using a radiotherapy simulator. Br J Radiol, 1978; 51: 488-453.
2Kijewski MF, Judy PF, Svensson GK. Image quality of an analog radiation therapy simulator - based tomographic scanner. Med Phys; 11 : 502 - 507.
3Goitein M, Abrams M. Multi - dimensional trement planning: Delineation of anatomy. Int J Radiat Oncol Biol Phys, 1983; 9: 777-787.
4Sherouse GW, Bourland JD, Reynolds K. Virtual simulation in the clinical setting: some practical considerations. Int J Radiat Oncol Biol Phys, 1990; 19: 1059- 1065.
5Nishidai T, Nagata Y, Takahashi M, et aI.CT simulator: a new 3 - D planning and simulating system for radiotherapy : Partl Description of system. Int J Radiat Oncol Biol Phys, 1990; 18: 499-504.
6Klingenbeck, Regn K, SchallerS, et al. Subsecond multislice computed tomography : basics and applications. Eur J Radiol, 1999; 31: 110-124.
7Garcia- Ramirez JL, Mutic S, Dempsey JF, et al. Performance evaluation of an 85cm bore x ray computed tomograpy scanner designed for radiation oncology and comparison with current diagnostic CT scanners . Int J Radiat Oncol Biol Phys, Submitted for publication ; 2001; Jun 2001.
8Mcgee KP, Das I J, Sims C, et al. Evaluation of digitally reconstructed radiographs used for clinical radiotherapy : a phantom study. Med Phys, 1995; 22: 1815- 1827.
9AAPM RN. Specification and Acceptance Testing of Computed Tomography Scanncrs. New York: American Institutc of PhysiCs; 1993.
10Fraass B, Doppke K, Hunt M, et al. American Association of Physicists in Medicine Radiation Therapy Committee Task Group 53: quality assurance for clinical radiotherapy treat- ment planning.Med Phys, 1998; 25: 1773- 1829.
