Locus-specific expression of transposable elements in single cells with CELLO-seq by Berrens, RV, Yang, A, Laumer, CE, Lun, ATL, Bieberich, F, Law, C-T, Lan, G, Imaz, M, Bowness, JS, Brockdorff, N, Gaffney, DJ, Marioni, JC