TY - RPRT TI - A hexanucleotide element directs microRNA nuclear import. AU - Hun-Way Hwang AU - Erik A Wentzel AU - Joshua T Mendell PY - 2007 DO - 10.1126/science.1136235 UR - https://pubmed.ncbi.nlm.nih.gov/17204650/ ID - 17204650 ER -