title: Pre-emptive analgesia and the paravertebral space -- an ignis fatuus.
authors.forename: I D
authors.initials: ID
authors.lastname: Conacher
mesh_terms: D006801:Humans; D009407:Nerve Block / Q000379:methods*; D010149:Postoperative Pain / Q000517:prevention & control*; D011292:Premedication; D013906:Thoracoscopy