[1] 李强, 卫增泉. 原子核物理评论, 1999, 16(4): 262. doi:  10.11804/NuclPhysRev.16.04.262

LI Q, WEI Z Q. Nuclear Physics Review, 1999, 16(4): 262. (in Chinese) doi:  10.11804/NuclPhysRev.16.04.262
[2] HELYER S J, HEISIG S. Radiotherapy and Oncology, 1995, 37(1): 61. doi:  10.1016/0167-8140(95)01616-o
[3] JOHN N, LGOR S. Cancer Management and Research, 2015, 7: 1. doi:  10.2147/CMAR.S47220
[4] BURT L M, YING J, POPPE M M, et al. International Journal of Radiation Oncology Biology Physics, 2015, 93(3): 107. doi:  10.1016/j.breast.2017.07.004
[5] CHU W T, LUDEWIGT B A, RENNER T R. Review of Scientific Instruments, 1993, 64(8): 2055. doi:  10.1063/1.1143946
[6] ROBERT C, DEDES G, BATTISTONI G, et al. Physics in Medicine and Biology, 2013, 58(9): 2879. doi:  10.1088/0031-9155/58/9/2879
[7] JARLSKOG C Z, PAGANETTI H. International Journal of Radiation Oncology Biology Physics, 2008, 72(1): 228. doi:  10.1016/j.ijrobp.2008.04.069
[8] HALL E J. International Journal of Radiation Oncology Biology Physics, 2006, 65(1): 1. doi:  10.1016/j.ijrobp.2006.01.027
[9] LOW D A, SOHN J W, KLEIN E E, et al. Medical Physics, 2001, 28(5): 752. doi:  10.1118/1.1367863
[10] CORVò R, FOPPIANO F, ORSATTI M, et al. Radiologia Medica, 1997, 94(5): 512. doi:  10.1007/s00401-010-0686-x
[11] TAKAHASHI S. Acta Radiologica Diagnosis, 1965, 242: 1.
[12] BREWSTER L, MOHAN R, MAGERAS G, et al. International Journal of Radiation Oncology Biology Physics, 1995, 33(5): 1081. doi:  10.1016/0360-3016(95)02061-6
[13] JIANG H, WANG B, XU X G, et al. Physics in Medicine and Biology, 2005, 50(18): 4337. doi:  10.1088/0031-9155/50/18/007
[14] YONAI S, MATSUFUJI N, KANAI T. Medical Physics, 2009, 36(10): 4830. doi:  10.1118/1.3220624
[15] CARRIER J F, ARCHAMBAULT L, BEAULIEU L, et al. Medical Physics, 2004, 31(3): 484. doi:  10.1118/1.1644532
[16] Densities of Metals and Elements Table[EB/OL]. [2019-09-30]. https://www.engineersedge.com/materials/densities_of_metals_and_elements_table_13976.htm.
[17] Tungsten Copper Alloy [EB/OL]. [2019-09-30]. https://www.tungsten.com/wp-content/uploads/2014/02/tungsten-copper-alloy.pdf.
[18] JERAJ M, ROBAR V. Radiol Oncol, 2004, 38(3): 235.
[19] YIH S W H. WANG C T. Tungsten-Sources, Metallurgy Properties and Application[M]. New York: Plenum Press. 1979: 340.