title: Relative risks of epidural air injection in children and adults.
authors: B K
authors: BK
authors: Philip
mesh_terms: D000328:Adult; D000388:Air; D000698:Analgesia; D002648:Child; D004824:Epidural Space / Q000033:anatomy & histology*; D006801:Humans; D007268:Injections, Epidural; D013115:Spinal Canal / Q000033:anatomy & histology*