Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Gastroenterol. Apr 28, 2022; 28(16): 1671-1680
Published online Apr 28, 2022. doi: 10.3748/wjg.v28.i16.1671
Figure 1
Figure 1 Flowchart of the studied cohort. COVID-19: Coronavirus disease 2019.