Clinical Trial of Ultrasound Combined With Computed Tomography Guided Lumbar Sympathetic Ganglion Block

Conditions:   Pain, Chronic;   Sympathetic Disorder;   Ultrasound Therapy Intervention:   Device: ultrasound and CT Sponsor:   Second Affiliated Hospital, School of Medicine, Zhejiang University Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials