title: Late respiratory depression after concomitant use of morphine epidurally and parenterally.
mesh_terms: D000368:Aged; D003864:Depression, Chemical; D004388:Dura Mater; D006801:Humans; D007273:Injections, Intramuscular; D007278:Injections, Spinal; D008297:Male; D009020:Morphine / Q000008:administration & dosage*; D012119:Respiration / Q000187:drug effects*; D012131:Respiratory Insufficiency / Q000139:chemically induced*; D013997:Time Factors
chemical_list: D009020:Morphine