TY - JOUR T1 - Randomised controlled pilot study to investigate the effectiveness of thoracic epidural and paravertebral blockade in reducing chronic post-thoracotomy pain: TOPIC feasibility study protocol JO - BMJ Open UR - http://dx.doi.org/10.1136/bmjopen-2016-012735 PY - 2016/12/01 AU - Yeung J AU - Melody T AU - Kerr A AU - Naidu B AU - Middleton L AU - Tryposkiadis K AU - Daniels J AU - Gao F ED - DO - DOI: 10.1136/bmjopen-2016-012735 PB - BMJ VL - 6 IS - 12 SP - e012735 EP - e012735 Y2 - 2025/05/17 ER -