Accelerated cryo-EM-guided determination of three-dimensional RNA-only structures - Kalli Kappel; Kaiming Zhang; Zhaoming Su; Andrew M. Watkins; Wipapat Kladwang; Shanshan Li; Grigore Pintilie; Ved V. Topkar; Ramya Rangan; Ivan N. Zheludev; Joseph D. Yesselman; Wah Chiu; et al. (2020)