title: [Cephalic migration of methadone administered by the spinal route].
authors.forename: A
authors.initials: A
authors.lastname: Villalonga Morales
authors.forename: C
authors.initials: C
authors.lastname: Gomar Sancho
authors.forename: M A
authors.initials: MA
authors.lastname: Nalda Felipe
mesh_terms: D000328:Adult; D015360:Analgesia, Epidural; D006801:Humans; D008297:Male; D008691:Methadone / Q000493:pharmacokinetics* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*; D014951:Wounds, Stab
chemical_list: D008691:Methadone
vernacular_title: Migración cefálica de la metadona por vía espinal.