title: Thoracic paravertebral block in chronic postoperative pain.
authors.forename: M
authors.initials: M
authors.lastname: Ferrandiz
authors.forename: L
authors.initials: L
authors.lastname: Aliaga
authors.forename: E
authors.initials: E
authors.lastname: Catala
authors.forename: J M
authors.initials: JM
authors.lastname: Villar-Landeira
mesh_terms: D002908:Chronic Disease; D006801:Humans; D009407:Nerve Block / Q000379:methods; D010149:Postoperative Pain / Q000628:therapy*; D011446:Prospective Studies