Adenoma Detection Rate:NBI, AFI, Chromoscopic or Standard Endoscopy
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资源简介：
The purpose of this study is to establish whether new techniques that may make polyps (adenomas) stand out better from the background help increase the number of polyps visible at sigmoidoscopy (telescope test to look inside large bowel) compared to looking with standard sigmoidoscopy alone.
创建时间：
2005-11-15
