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Proceedings of the National Academy of Sciences, ISSN 0027-8424, 04/2009, Volume 106, Issue 16, pp. 6447 - 6452
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Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 4/2009, Volume 106, Issue 16, pp. 6483 - 6488
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 4/2009, Volume 106, Issue 16, pp. 6820 - 6825
Journal Article
Journal Article
Journal Article
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 4/2009, Volume 106, Issue 16, pp. 6742 - 6747
Journal Article