Journal of Southern Medical University
Patient-controlled intravenous analgesia with sufentanil and fentanyl after thoracotomy: a comparative study
LIN Chun-shui, LU Gang, RUAN Luo-yang, GU Miao-ning Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
Journal of Southern Medical University . 2006, (02): 240 .