%0 Journal Article %T Modulating Anti-MicroRNA-21 Activity and Specificity Using Oligonucleotide Derivatives and Length Optimization %A Andr¨¦s MuŁżoz-Alarc¨®n %A Peter Guterstam %A Cristian Romero %A Mark A. Behlke %J ISRN Pharmaceutics %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/407154 %U http://dx.doi.org/10.5402/2012/407154