title: [Morphine metabolism during epidural morphine infusion].
mesh_terms: D000767:Anesthesia, Epidural; D000776:Anesthesiology / Q000295:instrumentation; D000818:Animals; D004285:Dogs; D006801:Humans; D009020:Morphine / Q000097:blood; D011863:Radioimmunoassay
chemical_list: D009020:Morphine