RNA-interference components are dispensable for transcriptional silencing of the drosophila bithorax-complex
PLoS ONE (2013) - Comment
pubmed: 23785447  doi: 10.1371/journal.pone.0065740  issn: 1932-6203 

Filippo M. Cernilogar, A. Maxwell Burroughs, Chiara Lanzuolo, Achim Breiling, Axel Imhof, Valerio Orlando