. 2015 Jul 16;58(4):327–330. doi: 10.5468/ogs.2015.58.4.327
Copyright © 2015 Korean Society of Obstetrics and Gynecology
Articles published in Obstet Gynecol Sci are open-access, 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.