Català, E [Thoracic paravertebral block: an excellent alternative for regional analgesia]. [electronic resource] - Revista espanola de anestesiologia y reanimacion Oct 2004 - 415-6 p. digital Publication Type: Editorial ISSN: 0034-9356 Subjects--Topical Terms: Analgesia--methodsHumansNerve Block--methodsThoracic Vertebrae