Hamm S, Latz E, Hangel D, M?ller T, Yu P, Golenbock D, Sparwasser T, Wagner H, Bauer S. Alternating 2'-O-ribose methylation is a universal approach for generating non-stimulatory siRNA by acting as TLR7 antagonist. Immunobiology. 2010 Jul; 215(7):559-69.