Lewis, K. M., DuBois, D. L., Bavarian, N., Acock, A., Silverthorn, N., Day, J., . . . Flay, B. R. (2013). Effects of Positive Action on the Emotional Health of Urban Youth: A Cluster-Randomized Trial. J Adolesc Health.

Lewis, Kendra M., David L. DuBois, Niloofar Bavarian, Alan Acock, Naida Silverthorn, Joseph Day, Peter Ji, Samuel Vuchinich, und Brian R. Flay. "Effects of Positive Action On the Emotional Health of Urban Youth: A Cluster-Randomized Trial." J Adolesc Health 2013.

Lewis, Kendra M., et al. "Effects of Positive Action On the Emotional Health of Urban Youth: A Cluster-Randomized Trial." J Adolesc Health 2013.