tRF2Cancer: A web server to detect tRNA-derived small RNA fragments (tRFs) and their expression in multiple cancers. - Ling-Ling Zheng; Wei-Lin Xu; Shun Liu; Wen-Ju Sun; Jun-Hao Li; Jie Wu 026; Jian-Hua Yang; Liang-Hu Qu (Nucleic Acids Res., 2016)