窄带内镜、染色内镜与常规内镜对远端大肠ACF发现率的对比研究
착대내경、염색내경여상규내경대원단대장ACF발현솔적대비연구
Detection of aberrant crypt foci in the distal colorectum by colonoscopy: a randomized controlled comparison of conventional imaging, narrow band imaging and chromoendoscopy
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