Zacharek, S. J., Fillmore, C. M., Lau, A. N., Gludish, D. W., Chou, a., Ho, J. W. K., et al. (2011). Lung stem cell self-renewal relies on BMI1-dependent control of expression at imprinted loci. Cell Stem Cell, 9(3), 272-280. doi:10.1016/j.stem.2011.07.007.