Proceedings of the National Academy of Sciences of the United States of America (2010) - Comments
pubmed: 20442331  doi: 10.1073/pnas.1004584107  issn: 1091-6490  issn: 0027-8424 

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Jacob Hanna, Albert W. Cheng, Krishanu Saha, Jongpil Kim, Christopher J. Lengner, Frank Soldner, John P. Cassady, Julien Muffat, Bryce W. Carey, Rudolf Jaenisch