title: A new complication due to the lumbar sympathetic block?
authors.forename: R G
authors.initials: RG
authors.lastname: Sugar
mesh_terms: D001340:Autonomic Nerve Block / Q000009:adverse effects*; D006732:Horner Syndrome / Q000209:etiology*; D006801:Humans; D007278:Injections, Spinal / Q000009:adverse effects; D013355:Subdural Space