title: Hyperadrenergic-effected limb causalgia: relief by IV pharmacologic norepinephrine blockade.
mesh_terms: D001340:Autonomic Nerve Block; D002422:Causalgia / Q000188:drug therapy*; D005121:Extremities / Q000294:innervation*; D006145:Guanethidine / Q000008:administration & dosage*; D006801:Humans; D009437:Neuralgia / Q000188:drug therapy*; D009638:Norepinephrine
chemical_list: D009638:Norepinephrine; D006145:Guanethidine