. 2011 Mar 31;11(1):59–63. doi: 10.5230/jgc.2011.11.1.59
Copyright © 2011 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.