Nature Communications (2014) - Comment
pubmed: 25503965  doi: 10.1038/ncomms6795  issn: 2041-1723 

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William A. Pastor, Hume Stroud, Kevin Nee, Wanlu Liu, Dubravka Pezic, Sergei Manakov, Serena A. Lee, Guillaume Moissiard, Natasha Zamudio, Déborah Bourc'his, Alexei A. Aravin, Amander T. Clark, Steven E. Jacobsen