TY - RPRT TI - Improved vectors and genome-wide libraries for CRISPR screening AU - Neville E Sanjana AU - Ophir Shalem AU - Feng Zhang PY - 2014 DO - 10.1101/006726 UR - https://www.biorxiv.org/content/10.1101/006726v1 ID - 10.1101/006726 ER -