title: Further observation on the enhancement by morphine of the central descending inhibitory influence on spinal sensory transmission.
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D004558:Electric Stimulation; D005071:Evoked Potentials / Q000187:drug effects; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009475:Neurons, Afferent / Q000187:drug effects; D051381:Rats; D013116:Spinal Cord / Q000187:drug effects*; D013153:Splanchnic Nerves; D009435:Synaptic Transmission / Q000187:drug effects*
chemical_list: D009020:Morphine