title: Anatomical and biochemical strategy of pain suppressing systems.
authors.affiliation: Unité de Recherches de Neurophysiologie Pharmacologique de l'INSERM (U. 161), Paris, France.
authors.forename: J M
authors.initials: JM
authors.lastname: Besson
mesh_terms: D000818:Animals; D001933:Brain Stem / Q000502:physiology; D004558:Electric Stimulation; D006801:Humans; D009294:Narcotics / Q000494:pharmacology; D009475:Neurons, Afferent / Q000187:drug effects / Q000502:physiology; D010146:Pain / Q000503:physiopathology*; D013116:Spinal Cord / Q000187:drug effects / Q000503:physiopathology
chemical_list: D009294:Narcotics