The EMBO Journal (2009) - Comment
pubmed: 19816403  doi: 10.1038/emboj.2009.285  issn: 1460-2075  issn: 0261-4189 

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Tokameh Mahmoudi, Vivian S W Li, Ser Sue Ng, Nadia Taouatas, Robert G J Vries, Shabaz Mohammed, Albert J Heck, Hans Clevers