[
1. Andreo P, Burns DT, Hohlfeld K, Huq MS, Kanai T, Laitano F, Smyth V, Vynckier S. Absorbed Dose Determination in External Beam Radiotherapy: An International Code of Practice for Dosimetry based on Standards of Absorbed Dose to Water. Vienna: International Atomic Energy Agency. (IAEA TRS-398); 2006.
]Search in Google Scholar
[
2. Almond PR, Biggs PJ, Coursey BM, Hanson WF, Huq MS, Nath R, Rogers DWO. AAPM’s TG-51 protocol for clinical reference dosimetry of high-energy photon and electron beams. Med Phys. 1999;26(9):1847-1870. https://doi.org/10.1118/1.59869110.1118/1.59869110505874
]Search in Google Scholar
[
3. Thwaites DI, DuSautoy AR, Jordan T, McEwen MR, Nisbet A, Nahum AE, Pitchford WG. The IPEM code of practice for electron dosimetry for radiotherapy beams of initial energy from 4 to25 MeV based on an absorbed dose to water calibration. Phys Med Biol. 2003;48(18):2929-70. https://doi.org/10.1088/0031-9155/48/18/30110.1088/0031-9155/48/18/30114529204
]Search in Google Scholar
[
4. Deutches Institut für Normung, Procedures of dosimetry with probe-type detectors for photon and electron radiation - Part 2: ionization chamber dosimetry of high energy photon and electron radiation; 2019. DIN 6800-2:2019-07
]Search in Google Scholar
[
5. Gerbi BJ, Antolak JA, Deibel FC, Followill DS, Herman MG, Higgins PD, Huq MS, Mihailidis DN, Yorke ED. Recommendations for clinical electron beam dosimetry: supplement to the recommendations of task group 25. Med Phys. 2009;36(7):3239-79. https://doi.org/10.1118/1.312582010.1118/1.312582019673223
]Search in Google Scholar
[
6. Muir BR, McEwen MR. Technical note: On the use of cylindrical ionization chambers for electron beam reference dosimetry. Med Phys. 2017;44(12):6641-46. https://doi.org/10.1002/mp.1258210.1002/mp.1258228913919
]Search in Google Scholar
[
7. Huq MS. Practical implementation of TG-51. 2003; Retrieved from https://www.aapm.org/meetings/02AM/pdf/8315-36141.pdf
]Search in Google Scholar
[
8. Bulski W, Ulkowski P, Gwiazdowska B. Analysis of calibration coefficients of plane-parallel Markus type ionization chambers calibrated in Co-60 and electron beams. Pol J Med Phys Eng. 2007;13(3):163-174. https://doi.org/10.2478/v10013-007-0015-410.2478/v10013-007-0015-4
]Search in Google Scholar
[
9. Christ G, Dohm OS, Bruggmoser G, Schuele E. The use of plane-parallel chambers in electron dosimetry without any cross-calibration. Phys Med Biol. 2002;47(9):N121-N126. https://doi.org/10.1088/0031-9155/47/9/40210.1088/0031-9155/47/9/40212043825
]Search in Google Scholar
[
10. Wegener S, Sauer OA. The effective point of measurement for depth-dose measurements in small MV photon beams with different detectors. Med Phys. 2019;46(11):5209-5215. https://doi.org/10.1002/mp.1378810.1002/mp.1378831461533
]Search in Google Scholar
[
11. Looe HK, Harder D, Poppe B. Experimental determination of the effective point of measurement for various detectors used in photon and electron beam dosimetry. Phys Med Biol. 2011;56(14):4267-4290. https://doi.org/10.1088/0031-9155/56/14/00510.1088/0031-9155/56/14/00521701053
]Search in Google Scholar
[
12. Zink K, Wulff J. Positioning of a plane-parallel ionization chamber in clinical electron beams and the impact on perturbation factors. Phys Med Biol. 2009;54(8):2421-2435. https://doi.org/10.1088/0031-9155/54/8/01110.1088/0031-9155/54/8/01119336840
]Search in Google Scholar
[
13. Wang LL, Rogers DWO. Study of the effective point of measurement for ion chambers in electron beams by Monte Carlo simulation. Med Phys. 2009;36(6):2034-2042. https://doi.org/10.1118/1.312149010.1118/1.312149019610292
]Search in Google Scholar
[
14. Anusionwu PC, Alpuche Aviles JE, Pistorius S. The use of 0.5rcav as an effective point of measurement for cylindrical chambers may result in a systematic shift of electron percentage depth doses. J Appl Clin Med Phys. 2020;21(1):117-126. https://doi.org/10.1002/acm2.1279710.1002/acm2.12797696475131898872
]Search in Google Scholar
[
15. Das IJ, McNeeley SW, Cheng ChW. Ionization chamber shift correction and surface dose measurements in electron beams. Phys Med Biol. 1998;43(11):3419-24. https://doi.org/10.1088/0031-9155/43/11/01610.1088/0031-9155/43/11/0169832024
]Search in Google Scholar
[
16. Andreo P, Almond PR, Mattsson O, Nahum AE, Roos M. The use of plane-parallel ionization chambers in high-energy electron and photon beams. An international code of practice for dosimetry. Vienna: International Atomic Energy Agency. (IAEA TRS-381); 1995.
]Search in Google Scholar
[
17. Roos M, Derikum K, Krauss A. Deviation of the effective point of measurement of the Markus chamber from the front surface of its air cavity in electron beams. Vienna: International Atomic Energy Agency. (IAEA-TECDOC-1173); 2000.
]Search in Google Scholar
[
18. Almond PR, Attix FH, Humphries LJ, Kubo H, Nath R, Goetsch S, Rogers DWO. The calibration and use of plane-parallel ionization chambers for dosimetry of electron beams: an extension of the 1983 AAPM protocol report of AAPM Radiation therapy Committee Task Group No. 39. Med Phys. 1994;21(8):1251-1260. https://doi.org/10.1118/1.59735910.1118/1.5973597799867
]Search in Google Scholar
[
19. McEwen M, DeWerd L, Ibbott G, Followill D, Rogers DWO, Seltzer S, Seuntjens J. Addendum to the AAPM’s TG-51 protocol for clinical reference dosimetry of high-energy photon beams. Med Phys. 2014;41(4):041501. https://doi.org/10.1118/1.486622310.1118/1.4866223514803524694120
]Search in Google Scholar
[
20. Muir BR, Rogers DWO. Monte Carlo calculations of electron beam quality conversion factors for several ion chamber types. Med Phys. 2014;41(11):111701. https://doi.org/10.1118/1.489391510.1118/1.489391525370615
]Search in Google Scholar
[
21. IAEA-TECDOC-1455 Implementation of the International Code of Practice on Dosimetry in Radiotherapy (TRS 398): Review of testing results. Vienna: International Atomic Energy Agency; 2005.
]Search in Google Scholar
[
22. Absolute dose measurements in external beam radiotherapy. Application of codes of practice based on standards of absorbed dose to water. IBA Dosimetry GmbH, Schwarzenbruck; 2012.Doc-Id: P-Codes of Practice Absolute Dosimetry-510-001 01.
]Search in Google Scholar
[
23. Zakaria A, Schuette W, Younan C. Reference Dosimetry according to the New German Protocol DIN 6800-2 and Comparison with IAEA TRS 398 and AAPM TG 51. Biomed Imaging Interv J. 2011;7(2):e15. https://doi.org/10.2349/biij.7.2.e15
]Search in Google Scholar
[
24. SSRPM, Reference dosimetry of high-energy therapy electron beams with ionization chambers. Recommendations No. 10, Revision 2019. ISBN 3 908 125 61 8.
]Search in Google Scholar
[
25. Muir BR. A modified formalism for electron beam reference dosimetry to improve the accuracy of linac output calibration. Med Phys. 2020;47(5):2267-2276. https://doi.org/10.1002/mp.1404810.1002/mp.1404831985833
]Search in Google Scholar
[
26. Morawska-Kaczyńska M. Anality control of plane-parallel ionization chambers. Recommendations of the Second Standard Dosimetry Laboratory for radiotherapy departments in Poland (in Polish). Nowotwory Journal of Oncology. 2000;50(3):294-302.
]Search in Google Scholar