Case Control Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Apr 14, 2019; 25(14): 1729-1740
Published online Apr 14, 2019. doi: 10.3748/wjg.v25.i14.1729
Figure 1
Figure 1 Flow diagram describing the process of patients’ selection. CT: Computerized tomography; ROM: Radiopaque markers.