60
Participants
Start Date
March 1, 2015
Primary Completion Date
May 14, 2015
Study Completion Date
May 14, 2016
real-time ultrasound-CT fusion imaging
selective lumbar nerve root block puncture under real-time ultrasound-CT fusion imaging
ultrasound alone
selective lumbar nerve root block puncture under the guidance of ultrasound alone
Department of Ultrasound Diagnosis, Peking University Third Hospital, Beijing
Peking University Third Hospital
OTHER