198
Participants
Start Date
September 1, 2019
Primary Completion Date
October 24, 2020
Study Completion Date
October 24, 2020
posterior branch block of spinal nerve
posterior branch block of spinal nerve during Percutaneous kyphoplasty(PKP) operation
The 2nd Affiliated Hospital of Wenzhou Medical University, Wenzhou
Second Affiliated Hospital of Wenzhou Medical University
OTHER