[Mechanisms of pain relief following sympathetic ganglion block].
D000200:Action Potentials; D000818:Animals; D001340:Autonomic Nerve Block; D002415:Cats; D004558:Electric Stimulation; D005071:Evoked Potentials; D005268:Femoral Vein / Q000294:innervation; D005728:Ganglia, Sympathetic / Q000502:physiology*; D013564:Sympathetic Nervous System / Q000502:physiology*; D009435:Synaptic Transmission