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Bismuth shielding, organ-based tube current modulation, and global reduction of tube current for dose reduction to the eye at head CT.
Jia Wang
1 ,
Xinhui Duan ,
Jodie A Christner ,
Shuai Leng ,
Katharine L Grant ,
Cynthia H McCollough
Jan 2012
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Abstract
To compare the dose and image quality of three methods for reducing the radiation dose to the eye at head computed tomography (CT): bismuth shielding, organ-based tube current modulation (TCM), and global reduction of the tube current.