title: Spontaneous muscle contraction with extreme pain after thoracotomy treated by pulsed radiofrequency.
authors: Yuecheng
authors: Y
authors: Yang
authors: Lihua
authors: L
authors: Dai
authors: Pain Management Centre, Department of Anesthesiology, Xinhua Hospital, Shanghai JiaoTong University School of Medicine.
authors: Ma
authors: M
authors: Ke