Single-Cell Chromatin Modification Profiling Reveals Increased Epigenetic Variations with Aging CELL Cheung, P., Vallania, F., Warsinske, H. C., Donato, M., Schaffert, S., Chang, S. E., Dvorak, M., Dekker, C. L., Davis, M. M., Utz, P. J., Khatri, P., Kuo, A. J. 2018; 173 (6): 1385-+