Said, N., Rieder, R., Hurwitz, R., Deckert, J., Urlaub, H., & Vogel, J. (2009). In vivo expression and purification of aptamer-tagged small RNA regulators. Nucleic Acids Research, 37(20): e133. Retrieved from http://nar.oxfordjournals.org/cgi/reprint/gkp719v1.