title: Improvement in peripheral perfusion in peripheral vascular disease cases with epidural morphine.
mesh_terms: D001775:Blood Circulation / Q000187:drug effects*; D004824:Epidural Space; D006801:Humans; D007267:Injections; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D010146:Pain / Q000188:drug therapy; D014652:Vascular Diseases / Q000503:physiopathology*
chemical_list: D009020:Morphine