title: Rostral spread of epidural morphine: the expected and the unexpected.
authors.forename: C M
authors.initials: CM
authors.lastname: Bernards
mesh_terms: D000767:Anesthesia, Epidural; D006801:Humans; D009020:Morphine / Q000008:administration & dosage / Q000134:cerebrospinal fluid / Q000493:pharmacokinetics; D009294:Narcotics / Q000008:administration & dosage / Q000134:cerebrospinal fluid / Q000493:pharmacokinetics
chemical_list: D009294:Narcotics; D009020:Morphine