Retrospective Cohort Study
Copyright ©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.