NCT04242394
- Conditions
- Biliary Tract Diseases, Cholecystitis, Cholecystolithiasis, +3 more
- Locations
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- Chinese herb medicine hospital of Longnan City Longnan, Gansu, China
- The first hospital of Tianshui Tianshui, Gansu, China
- Wuwei turmour hospital Wuwei, Gansu, China