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Efficacy and safety of short-term therapy with indigo naturalis for ulcerative colitis: An investigator-initiated multicenter double-blind clinical trial

Fig 2

Individual changes in the Lichtiger index before and after the intervention.

IN: indigo naturalis; LI: Lichtiger index.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0241337.g002