title: Pharmacologic reversal of Horner's syndrome following stellate ganglion block.
mesh_terms: D001340:Autonomic Nerve Block; D006732:Horner Syndrome / Q000188:drug therapy*; D006801:Humans; D010656:Phenylephrine / Q000627:therapeutic use*; D013233:Stellate Ganglion / Q000187:drug effects*; D013997:Time Factors
chemical_list: D010656:Phenylephrine