11. Nisoxetine elicits local ( cutaneous ) but not systemic analgesia . 12. Oral analgesia  is the cheapest and simplest mode of delivery. 13. Charles B . Odom introduced lumbar epidural analgesia  to obstetrics in 1935. 14. Experimenters use these when doing an experiment on analgesia . 15. It has been shown to produce visceral analgesia  by releasing somatostatin from adipocytes. 16. Both receptors are known to produce analgesia  when activated. 17. Electrical stimulation of the dorsal columns of the spinal cord can produce analgesia . 18. Anesthetics are used to bring on loss of consciousness, analgesia  and muscle relaxation. 19. The result : A well-documented generalized " acupuncture analgesia  ." 20. The characteristic features of dissociative anesthesia were described as catalepsy, amnesia and analgesia .