Effect of epidural morphine on respiratory function and hemodynamic stability.
D000328:Adult; D001416:Back Pain / Q000188:drug therapy; D004824:Epidural Space; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D007267:Injections; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage / Q000627:therapeutic use*; D012119:Respiration / Q000187:drug effects*
D009020:Morphine