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Tomonaga T, Levens D.Tomonaga T, et al. Among authors: levens d.Proc Natl Acad Sci U S A. 1996 Jun 11;93(12):5830-5. doi: 10.1073/pnas.93.12.5830.Proc Natl Acad Sci U S A. 1996.PMID: 8650178Free PMC article.
He L, Liu J, Collins I, Sanford S, O'Connell B, Benham CJ, Levens D.He L, et al. Among authors: levens d.EMBO J. 2000 Mar 1;19(5):1034-44. doi: 10.1093/emboj/19.5.1034.EMBO J. 2000.PMID: 10698944Free PMC article.
Liu J, Kouzine F, Nie Z, Chung HJ, Elisha-Feil Z, Weber A, Zhao K, Levens D.Liu J, et al. Among authors: levens d.EMBO J. 2006 May 17;25(10):2119-30. doi: 10.1038/sj.emboj.7601101. Epub 2006 Apr 20.EMBO J. 2006.PMID: 16628215Free PMC article.