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Observational Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Oct 21, 2026; 32(39): 121904
Published online Oct 21, 2026. doi: 10.3748/wjg.121904
Figure 2
Figure 2 Study cohort flowchart. A: Development cohort; B: External validation cohort.


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