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Secondary outcome measure of the VAS-IBS score. Secondary outcome changes in VAS-IBS gastrointestinal symptom scores at baseline and after treatment. (a) Abdominal pain, (b) diarrhoea, (c) constipation, (d) bloating and flatulence, and (e) vomiting and nausea. EA: electroacupuncture, Mox: mild moxibustion.
