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. 2015 Mar 21;13:116. doi: 10.1186/s12957-015-0532-7

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© Zhang et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Meta-analysis of the pooled data: analgesics use. CI, confidence interval; LADG, laparoscopic assisted distal gastrectomy; SD, standard deviation; TLDG, totally laparoscopic distal gastrectomy.