References
- Nilsson B. Electron contamination from different materials in high energy photon beams. Phys Med Biol 1985; 30: 139
- Nilsson B, Montelius A. Fluence perturbation in photon beams under non-equilibrium conditions. Med Phys 1986; 13: 181
- Rubach A, Conrad F, Bichsel H. Dose build-up curves for cobalt-60 irradiation: a systematic error occumng with pancake chamber measurements. Phys Med Biol 1986; 31: 441
- Ibbott G S, Hendee WR. Beam-shaping platforms and the skin-sparing advantage of Co-60 radiation. AJR 1970; 108: 193
- Khan FM. Use of electron filters to reduce skin dose in cobalt teletherapy. AJR 1971; 111: 180
- Khan F M, Moore V C, Levitt SM. Effect of various atomic number absorbers on skin dose for 10 MeV x-rays. Radiology 1973; 109: 209
- Nair R P, Nair T KM, El-Akkad S. Evaluation of fetal dose from megavoltage irradiations of the knee and neonate follow-up. Med Phys 1983; 10: 862
- Orton C G, Seibert JB. Depth close in skin for obliquely incident “Co radiation. Br J Radiol 1972; 45: 271
- Jackson W. Surface effects of high-energy x-rays at oblique incidence. Br J Radiol 1971; 44: 109
- Gagnon WF. Measurement of surface dose. Int J Radiat Oncol Biol Phys 1979; 5: 449
- Fraass B A, van de Geijn J. Peripheral dose from megavolt beams. Med Phys 1983; 10: 809
- ICRP Publication 28. The principles and general procedures for handling emergency and accidental exposures of workers. Pergamon Press, Oxford 1978
- ICRP Publication 26. Recommendations of the International Commission on Radiological Protection. Pergamon Press, Oxford 1977
- ICRU Determination of dose equivalents resulting from external radiation sources. International Commission on Radiation Units and Measurement, Washington DC 1985, Report No. 39.
- ICRP Publication 23. Anatomical, physiological and metabolic characteristics. Pergamon Press, Oxford 1975
- Krithivas G, Rao SN. A study of the characteristics of radiation contaminants within a clinically useful photon beam. Med Phys 1985; 12: 764
- Ssengabi J. Studies of photon beam properties in therapeutic applications. Thesis., University of Stockholm. 1978
- Scrimger JW. The distribution of scattered electrons from an 8 MeV linear accelerator. Radiology 1972; 105: 421
- Scrimger J W, Kolitzi Z. Scattered radiation from beam modifiers used with megavoltage therapy units. Radiology 1979; 130: 233
- Nilsson B, Brahme A. Contamination of high-energy photon beams by scattered photons. Strahlentherapie 1981; 157: 181