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Copyright: ©Author(s) 2026.
World J Gastroenterol. Jul 28, 2026; 32(28): 116790
Published online Jul 28, 2026. doi: 10.3748/wjg.116790
Figure 1
Figure 1 Preferred Reporting Items for Systematic reviews and Meta-Analyses flow diagram of study selection. Records were identified through database searching (PubMed, Scopus, EMBASE) and screened according to predefined inclusion and exclusion criteria. The numbers of records identified, excluded, and included at each stage are shown.


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