Park, Ho Bum; Jung, Chul Ho; Lee, Young Moo; Hill, Anita J.; Pas, Steven J.; Mudie, Stephen T.; Van Wagner, Elizabeth; Freeman, Benny D.; Cookson, David J.
ArticleIssue Date2007CitationScience, v.318, no.5848, pp 254 - 258PublisherAmerican Association for the Advancement of Science