RETRACTED: Secondary siRNAs Result from Unprimed RNA Synthesis and Form a Distinct Class
Science (New York, N.Y.) (2007) - Comments
doi: 10.1126/science.1136699  issn: 0036-8075  issn: 1095-9203  pubmed: 17158288 

Titia Sijen, Florian A. Steiner, Karen L. Thijssen, Ronald H. A. Plasterk