. 2011 Dec 27;15(6):415–422. doi: 10.4196/kjpp.2011.15.6.415
Copyright © 2011 The Korean Physiological Society and The Korean Society of Pharmacology
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 non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.