Human aging-associated DNA hypermethylation occurs preferentially at bivalent chromatin domains - Rakyan, VK; Down, TA; Maslau, S; Andrew, T; Yang, T-P; Beyan, H; Whittaker, P; McCann, OT; Finer, S; Valdes, AM; Leslie, RD; Deloukas, P; et al. (GENOME RESEARCH, 2010)