title: Tramadol revisited.
authors.forename: K
authors.initials: K
authors.lastname: Budd
authors.forename: R
authors.initials: R
authors.lastname: Langford
mesh_terms: D000698:Analgesia / Q000379:methods; D000701:Analgesics, Opioid; D006801:Humans; D010149:Postoperative Pain / Q000517:prevention & control; D014147:Tramadol
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol