Wookyung Yu; Kwanghoon Chung; Mookyung Cheon; Muyoung Heo; Kyou-hoon Han; Sihyun Ham; Iksoo Chang
ArticleIssue Date2008CitationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, v.105, no. 7, pp 2397 - 2402PublisherNATL ACAD SCIENCES