T. - L. Hackett, Shaheen, F., Johnson, A., Wadsworth, S., Pechkovsky, D. V., Jacoby, D. B., Kicic, A., Stick, S. M., and Knight, D. A.,
“Characterization of side population cells from human airway epithelium.”,
Stem Cells, vol. 26, no. 10, pp. 2576-85, 2008.