title: Authors' reply.
authors.forename: Pengcheng
authors.initials: P
authors.lastname: Liu
authors.forename: Xing
authors.initials: X
authors.lastname: Wu
mesh_terms: D001416:Back Pain / Q000188:drug therapy*; D006801:Humans; D008159:Lumbar Vertebrae / Q000187:drug effects*; D013130:Spinal Stenosis / Q000188:drug therapy*; D013256:Steroids / Q000008:administration & dosage*
chemical_list: D013256:Steroids