. 2012 Dec 31;12(4):217–222. doi: 10.5230/jgc.2012.12.4.217
Copyright © 2012 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.