Li Y, Zhao DY, Greenblatt J, Zhang Z (2013). “RIPSeeker: a statistical package for identifying protein-associated transcripts from RIP-seq experiments.” Nucleic Acid Research, 41, e94. doi: 10.1093/nar/gkt142, http://nar.oxfordjournals.org/content/early/2013/02/28/nar.gkt142.abstract.