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Forest plot showing the effects of Gegen Qinlian Decoction and Gegen Qinlian Decoction plus Western medicine therapy on UCEIS in patients with ulcerative colitis. (A: GQD vs WM, B: GQD + WM vs WM). GQD = Gegen Qinlian Decoction, UCEIS = ulcerative colitis endoscopic index of severity, WM, western medicine.
