letter . 2013 Dec 24;48(4):300–303. doi: 10.5045/br.2013.48.4.300
© 2013 Korean Society of Hematology
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.