NCT04686097
- Conditions
- Cardiovascular Diseases, Incompetent Perforating Veins, Leg Ulcer, +6 more
- Locations
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- Anhui Provincial Hospital Hefei, Anhui, China
- Yantai Yuhuangding Hospital Yantai, Shandong, China
- Zhongshan Hospital affiliated to Fudan University Shanghai, Shanghai Municipality, China
- Sir Run Run Shaw Hospital Hangzhou, Zhejiang, China