TY - JOUR AN - 13 AU - Farh,K.K. AU - Grimson,A. AU - Jan,C. TI - The widespread impact of mammalian microRNAs on mRNA repression and evolution JO - Science PY - 2005 VL - 310 SP - 1817-1821 M2 - 1817 DO - 10.1126/science.1121158 ER -