Cooper, Z., Rivara, F. P., Wang, J., MacKenzie, E. J., & Jurkovich, G. J. (2009). Withdrawal of life sustaining therapy in injured patients: Variations between trauma centers and non-trauma centers. J Trauma.

Cooper, Zara, Frederick P. Rivara, Jin Wang, Ellen J. MacKenzie, and Gregory J. Jurkovich. "Withdrawal of Life Sustaining Therapy in Injured Patients: Variations between Trauma Centers and Non-trauma Centers." J Trauma 2009.

Cooper, Zara, et al. "Withdrawal of Life Sustaining Therapy in Injured Patients: Variations between Trauma Centers and Non-trauma Centers." J Trauma 2009.