References
- [1] Chang L, Ho SY, Chui CS, et al. Room scatter factor modelling and measurement error analysis of 192Ir HDR calibration by a Farmer chamber. Phys Med Biol. 2007;52(3):871-877.
- [2] AAPM. Specification of brachytherapy source strength. New York, NY: American Association of Physicists in Medicine, AAPM Report 21; 1987.
- [3] Nath R, Anderson LL, Luxton G, et al. Dosimetry of interstitial brachytherapy sources. Recommendations of the AAPM Radiation Therapy Committee Task Group No. 43. Med Phys. 1995;22(2):209-234.
- [4] Goetsch SJ, Attix FH, Pearson DW, et al. Calibration of 192Ir high dose rate afterloading systems. Med Phys. 1991;18(3):462-467.
- [5] Stump KE, DeWerd LA, Micka JA, et al. Calibration of new high dose rate 192Ir sources. Med Phys. 2002;29(7):1483-1488.
- [6] Rasmussen BE, Davis SD, Schmidt CR, et al. Comparison of air-kerma strength determinations for HDR 192Ir sources. Med Phys. 2011;38(12):6721-6729.
- [7] Palani Selvam T, Govinda Rajan KN, Nagarajan PS, et al. Monte Carlo aided room scatter studies in the primary air kerma strength standardization of a remote afterloading 192Ir HDR source. Phys Med Biol. 2001;46(9):2299-2315.
- [8] Patel NP, Majumdar B, Vijayan V. Study of scattered radiation for in-air calibration by a multiple-distance method using ionization chambers and an HDR 192Ir brachytherapy source. Br J Radiol. 2006;79(940):347-352.
- [9] Patel NP, Majumdar B, Vijiyan V, et al. In-air calibration of an HDR 192Ir brachytherapy source using therapy ion chambers. J Cancer Res Ther. 2005;1(4):213-220.
- [10] Kumar S, Srinivasan P, Sharma SD, et al. Evaluation of scatter contribution and distance error by iterative methods for strength determination of HDR 192Ir brachytherapy source. Med Dos. 2010;35(3):230-237.
- [11] IAEA. Calibration of photon and beta ray sources used in brachytherapy - Guidelines on standardized procedures at Secondary Standards Dosimetry Laboratories (SSDLs) and hospitals. Vienna: International Atomic Energy Agency, IAEA-TECDOC-1274; 2002.
- [12] Kondo S, Randolph ML. Effect of finite size of ionization chambers on measurements of small photon sources. Rad Res. 1960;13(1):37-60.
- [13] Bielajew AF. Correction factors for thick-walled ionization chambers in point source photon beams. Phys Med Biol. 1990;35(4):501-516.
- [14] Deutsche Gesellschaft für Medizinische Physik e.V. Praktische Dosimetrie in der HDR-Brachytherapie. DGMP-Bericht 13. 1999.
- [15] Deutsches Institut fuer Normung. DIN 6809, Teil 2, Klinische Dosimetrie, Brachytherapie mit umschlossenen gammastrahlenden radioaktiven Stoffen. Berlin: Beuth Verlag; 1993.
- [16] Baltas D, Geramani K, Ioannidis GT, et al. Comparison of calibration procedures for 192Ir high-dose-rate brachytherapy sources. Int J Radiat Oncol Biol Phys. 1999;43(3):653-661.
- [17] Marechal MH, de Almeida CE, Ferreira IH, et al. Experimental derivation of wall correction factors for ionization chambers used in high dose rate 192Ir source calibration. Med Phys. 2002;29(1):1-5.
- [18] IAEA. Absorbed Dose Determination in Photon and Electron Beams, An International Code of Practice. Vienna: International Atomic Energy Agency, Technical Reports Series No. 277 (2nd Edition); 1987.