Mantle field dosimetry comparing 4 MV with cobalt 60.
作者信息
Gray L, Prosnitz L R
出版信息
Radiology. 1975 Aug;116(02):429-32. doi: 10.1148/116.2.429.
PMID:807948
Abstract
Three off-axis dosimetric parameters were evaluted for identical mantle fields using the Varian 4 MV linear accelerator and a Picker C8M cobalt-60 unit. These parameters were dose distribution, skin dose and integral dose. Comparisons showed higher doses in all three categories with the 4 MV accelerator when the tumor dose is specified at the central axis midline. These results emphasize the importance of off-axis dosimetry with both machines.
摘要
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