YM500: a small RNA sequencing (smRNA-seq) database for microRNA research. - Wei-Chung Cheng; I-Fang Chung; Tse-Shun Huang; Shih-Ting Chang; Hsing-Jen Sun; Cheng-Fong Tsai; Muh-Lii Liang; Tai-Tong Wong; Hsei-Wei Wang (Nucleic Acids Res., 2013)