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Retrospective Cohort Study
©The Author(s) 2021.
World J Gastroenterol. May 21, 2021; 27(19): 2353-2365
Published online May 21, 2021. doi: 10.3748/wjg.v27.i19.2353
Figure 1
Figure 1 Flowchart of study patients. GI: Gastrointestinal; LGIB: Lower gastrointestinal bleeding.


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