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The Variation of Axial Depth Dose with Focal Distance, with Field Area, and with Depth

 

作者:

 

期刊: The British Journal of Radiology  （WILEY Available online 1961）
卷期: Volume 34, issue 400  

页码: 236-240

 

年代: 1961

 

DOI:10.1259/0007-1285-34-400-236

 

出版商: The British Institute of Radiology

 

数据来源: WILEY

 

摘要:

Using the concept of “tumour-air ratio”, formulae are derived for the dependence of axial depth dose on changes in focal distance, field area and depth.

 

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