Science (2007) - Comments
pubmed: 17234943  doi: 10.1126/science.1133162  issn: 1095-9203  issn: 0036-8075 

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Gretchen A DeVries, Markus Brunnbauer, Ying Hu, Alicia M. Jackson, Brenda Long, Brian T. Neltner, Oktay Uzun, Benjamin H. Wunsch, Francesco Stellacci