. 2014 Sep 30;14(3):180–186. doi: 10.5230/jgc.2014.14.3.180
Copyright © 2014 by The Korean Gastric Cancer Association
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.