title: Response to the Letter to the Editor.
authors.affiliation: Ajou University School of Medicine, Kyoung-gi-do, Republic of Korea.
authors.forename: Nam-Su
authors.initials: NS
authors.lastname: Chung
mesh_terms: D001416:Back Pain / Q000188:drug therapy*; D005260:Female; D006801:Humans; D007268:Injections, Epidural / Q000379:methods*; D008159:Lumbar Vertebrae / Q000187:drug effects*; D008297:Male; D013256:Steroids / Q000008:administration & dosage*
chemical_list: D013256:Steroids