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©2009 The WJG Press and Baishideng. All rights reserved.
World J Gastroenterol. Oct 14, 2009; 15(38): 4829-4832
Published online Oct 14, 2009. doi: 10.3748/wjg.15.4829
Published online Oct 14, 2009. doi: 10.3748/wjg.15.4829
Efficacy and safety of transnasal butorphanol for pain relief after anal surgery
Chen-Ming Mai, Department of Surgery, Huailien Armed Forces General Hospital, Huailien 97144, Taiwan, China
Liang-Tsai Wan, Hsiang-Yu Yang, Chang-Chieh Wu, Shu-Wen Jao, Cheng-Wen Hsiao, Division of Colorectal Surgery, Department of Surgery, Tri-Service General Hospital, National Defense University, Taipei 11490, Taiwan, China
Yu-Ching Chou, School of Public Health, National Defense Medical Center, Taipei 11490, Taiwan, China
Author contributions: Mai CM wrote the paper; Wan LT and Yang HY collected the data; Chou YC performed the statistical analysis; Wu CC designed the methods of the study; Jao SW analyzed the results and discussion; Hsiao CW was the leader of this study.
Correspondence to: Dr. Cheng-Wen Hsiao, Division of Colorectal Surgery, Department of Surgery, Tri-Service General Hospital, National Defense University, Taipei 11490, Taiwan, China. jacnicson@yahoo.com.tw
Telephone: +886-2-87923311-88052 Fax: +886-2-87927411
Received: July 12, 2009
Revised: August 31, 2009
Accepted: September 7, 2009
Published online: October 14, 2009
Revised: August 31, 2009
Accepted: September 7, 2009
Published online: October 14, 2009
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