title: Somatosensory evoked potentials and analgesia in man.
mesh_terms: D000293:Adolescent; D000328:Adult; D000698:Analgesia; D004558:Electric Stimulation; D004569:Electroencephalography / Q000379:methods*; D005071:Evoked Potentials; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009609:Nitrous Oxide / Q000494:pharmacology; D010146:Pain / Q000503:physiopathology; D013003:Somatosensory Cortex / Q000502:physiology* / Q000503:physiopathology
chemical_list: D009609:Nitrous Oxide