Caudal epidural steroid injections versus selective nerve root blocks for single-level lumbar spinal stenosis: a study protocol for a randomized controlled trial

por Osman, Akram, Hu, Wei, Jianhua-Sun, Li, Jing, Luo, Xiao, Han, Nianrong, Abduhani, Ehsan, Liu, Zhenqiang
Publicado 2021