RT Journal Article SR Electronic T1 EMHP: An accurate automated hole masking algorithm for single-particle cryo-EM image processing JF bioRxiv FD Cold Spring Harbor Laboratory SP 154211 DO 10.1101/154211 A1 Zachary Berndsen A1 Charles Bowman A1 Haerin Jang A1 Andrew B. Ward YR 2017 UL http://biorxiv.org/content/early/2017/06/23/154211.abstract AB