Exploratory Study on Dosage of Qizhi Weitong Granules in the Treatment of Irritable Bowel Syndrome (IBS)
Conditions
Interventions
- DRUG: Qizhi weitong granules(High)
- DRUG: Qizhi weitong granules(Low)
- DRUG: Placebo
Sponsor
China Resources Sanjiu Medical & Pharmaceutical Co., Ltd.