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