title: Neurologic depression after intrathecal morphine.
mesh_terms: D002490:Central Nervous System / Q000187:drug effects*; D003864:Depression, Chemical; D006801:Humans; D007278:Injections, Spinal; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage / Q000009:adverse effects*; D012119:Respiration / Q000187:drug effects
chemical_list: D009020:Morphine