title: Shrinking pupils as a warning of respiratory depression after spinal morphine.
mesh_terms: D003864:Depression, Chemical; D004388:Dura Mater; D006801:Humans; D007278:Injections, Spinal; D008916:Miotics; D009020:Morphine / Q000008:administration & dosage / Q000009:adverse effects*; D011680:Pupil / Q000187:drug effects*; D012119:Respiration / Q000187:drug effects*; D012131:Respiratory Insufficiency / Q000139:chemically induced*; D012306:Risk
chemical_list: D008916:Miotics; D009020:Morphine