title: The retracted ephapse.
mesh_terms: D001132:Arm / Q000294:innervation; D001340:Autonomic Nerve Block; D002422:Causalgia / Q000188:drug therapy* / Q000209:etiology; D006145:Guanethidine / Q000627:therapeutic use*; D006801:Humans; D007866:Leg / Q000294:innervation; D009412:Nerve Fibers / Q000187:drug effects; D009437:Neuralgia / Q000188:drug therapy*; D009475:Neurons, Afferent / Q000187:drug effects; D059348:Peripheral Nerve Injuries; D013564:Sympathetic Nervous System / Q000473:pathology
chemical_list: D006145:Guanethidine