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Colon Biopsy Sample. Endoscopic camera capture of intestinal wall biopsy of the colon. You can see the tissue extraction and fine bleeding afterward. All ID info has been painstakingly removed.

视  频 ID:  2104790
版      权:  James Benet
视频长度:  0:28
横纵比率:  4:3
所属分类:  科学 保健 
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