title: Learning from the past for the present: paravertebral blocks for thoracic surgery are not without risk.
authors.forename: Hilde M
authors.initials: HM
authors.lastname: Norum
authors.forename: Harald
authors.initials: H
authors.lastname: Breivik
mesh_terms: D000698:Analgesia / Q000009:adverse effects / Q000379:methods*; D015360:Analgesia, Epidural / Q000009:adverse effects; D019317:Evidence-Based Medicine; D006801:Humans; D009407:Nerve Block / Q000009:adverse effects; D010149:Postoperative Pain / Q000209:etiology / Q000517:prevention & control*; D018570:Risk Assessment; D012307:Risk Factors; D019616:Thoracic Surgical Procedures / Q000009:adverse effects*; D016896:Treatment Outcome