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World J Gastroenterol. Jan 28, 2013; 19(4): 556-560
Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.556
Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.556
New endoscopic classification of achalasia for selection of candidates for peroral endoscopic myotomy
Hui-Kai Li, En-Qiang Linghu, Department of Gastroenterology, PLA General Hospital, Beijing 100853, China
Author contributions: Linghu EQ designed the research, and both authors performed the research and data analysis, and prepared the manuscript.
Correspondence to: En-Qiang Linghu, MD, Department of Gastroenterology, PLA General Hospital, Beijing 100853, China. linghuenqiang@vip.sina.com
Telephone: +86-10-66936998 Fax: +86-10-66937485
Received: August 23, 2012
Revised: October 13, 2012
Accepted: December 27, 2012
Published online: January 28, 2013
Revised: October 13, 2012
Accepted: December 27, 2012
Published online: January 28, 2013
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