title: [The influence of electroacupuncture and morphine on substance P (SP), enkephalin (ENK) and acetylcholine esterase (AChE) in the spinal cord of rats].
mesh_terms: D000110:Acetylcholinesterase / Q000502:physiology*; D015670:Acupuncture Therapy; D000818:Animals; D004599:Electric Stimulation Therapy; D004745:Enkephalins / Q000502:physiology*; D006651:Histocytochemistry; D007124:Immunoenzyme Techniques; D009020:Morphine / Q000494:pharmacology*; D051381:Rats; D013116:Spinal Cord / Q000502:physiology; D013373:Substance P / Q000502:physiology*; D004561:Transcutaneous Electric Nerve Stimulation
chemical_list: D004745:Enkephalins; D013373:Substance P; D009020:Morphine; D000110:Acetylcholinesterase