title: [Investigations on the relationship between methionine-enkephalin (Met-Enk) and acetylcholine (ACh) in brain of rats, with their influence on the effect of electroacupuncture analgesia].
mesh_terms: D000109:Acetylcholine / Q000032:analysis / Q000502:physiology*; D015670:Acupuncture Therapy; D000818:Animals; D001923:Brain Chemistry; D004599:Electric Stimulation Therapy; D004744:Enkephalin, Methionine / Q000032:analysis / Q000502:physiology*; D005260:Female; D008297:Male; D010146:Pain / Q000503:physiopathology*; D011863:Radioimmunoassay; D051381:Rats; D012684:Sensory Thresholds; D004561:Transcutaneous Electric Nerve Stimulation
chemical_list: D004744:Enkephalin, Methionine; D000109:Acetylcholine