1. Bellusci, S., Henderson, R., Winnier, G., Oikawa, T., & Hogan, B. L. (1996). Evidence from normal expression and targeted misexpression that bone morphogenetic protein (Bmp-4) plays a role in mouse embryonic lung morphogenesis. Development, 122, 1693–1702.
2. Blaisdell, C. J., Gail, D. B., & Nabel, E. G. (2009). National heart, lung, and blood institute perspective: Lung progenitor and stem cells--gaps in knowledge and future opportunities. Stem Cells, 27(9), 2263–2270.
3. Borthwick, D. W., Shahbazian, M., Krantz, Q. T., Dorin, J. R., & Randell, S. H. (2001). Evidence for stem-cell niches in the tracheal epithelium. American Journal of Respiratory Cell and Molecular Biology, 24, 662–670.
4. Buckley, S., Barsky, L., Driscoll, B., Weinberg, K., Anderson, K. D., & Warburton, D. (1998). Apoptosis and DNA damage in type 2 alveolar epithelial cells cultured from hyperoxic rats. The American Journal of Physiology, 274(5 Pt 1), L714–L720.
5. Chapman, H. A., Li, X., Alexander, J. P., Brumwell, A., Lorizio, W., Tan, K., Sonnenberg, A., Wei, Y., & Vu, T. H. (2011). Integrin α6β4 identifies an adult distal lung epithelial population with regenerative potential in mice. The Journal of Clinical Investigation, 121(7), 2855–2862.