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Brief Article
©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jun 7, 2009; 15(21): 2632-2637
Published online Jun 7, 2009. doi: 10.3748/wjg.15.2632
Figure 1
Figure 1 Multiple microscopic PVI surrounding a tumor (arrow heads). HE staining (Original magnification, × 20).


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